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THE ORIGIN OF WHALES (EVOLUTION) The Origin of Whales or the Evolution. The first whales appeared 50 million years ago, well after the extinction of the dinosaurs, but well before the appearance of the first humans. Their ancestor is most likely an ancient artiodactyl, i.e. a four-legged, even-toedREPRODUCTIVE SYSTEM
The reproductive system of whales is proportional to the overall size of these giants. The penis of some baleen whales can reach 3 metres long. Right whales have the largest testicles in the animal kingdom, reaching a combined mass of 1,000 kg, which corresponds to 2% of their total weight. Despite being generally smaller than their baleen WHY DO SEALS COME OUT OF THE WATER? Greater numbers of seals can generally be observed out of the water at low tide. In warmer and dryer conditions with no precipitation and light or no wind, seals will tend to come aground for longer periods and in larger numbers. In any case, if a seal decides to come out of the water, it is because it is in its best interest to do so. DO HYBRIDS EXIST IN CETACEANS? Recently, in August 2017, scientists observed and genetically confirmed off the coast of Hawaii a new type of hybrid between a melon-headed dolphin and a rough-toothed dolphin. As only one melon-headed dolphin was in the group, researchers believe it is the mother of the hybrids. Kawili Kai, the result of the mating of ahybrid bottlenose
NORTH ATLANTIC RIGHT WHALE BIRTHS GIVE CAUSE FOR HOPE Magic (#1243), a 39-year-old right whale, gave birth to her seventh calf. Minus One (#2430) gave birth to her third calf at the age of 27. We also congratulate Binary (#3010) for her third calf at the age of 21 and the 27-year-old # 2420 for her fifth calf. The oldest mother, Grand Teton (#1145) is WHAT IS THE FUNCTION OF THE CALLOSITIES IN RIGHT WHALES By Sonia Villalon. The callosities in right whales are irregular patches of thickened and keratinized tissues. These tissues are habitat for three species of amphipod crustaceans specializing in right whales: Cyamis ovalis and Cyamis gracilis, which are white and are found on normal callosities in healthy individuals and, conversely, Cyamis erraticus, which is orange and is found in thewounds
DO SPERM WHALES HAVE ANY PREDATORS?... BY OLIVIA Toothed whales are generally much smaller than baleen whales. However, the sperm whale is a toothed whale that can grow up to 18 metres long and weigh 50 tonnes! Does an animal of this size have predators? The answer is yes. The sperm whale has even developed a position to protect itself from attackers, the so-called “marguerite” formation: heads together and tails facing outwards. HOME - BALEINES EN DIRECTDISCOVEROBSERVEACTMAGAZINETHE ECOSYSTEMS OF THE WHALESTHE SPECIES OF THE ST. LAWRENCE All you have to know about the St. Lawrence whales. Whales Online, source of all the latest news on the cetaceans of the St. Lawrence and beyond, tools to prepare your encounter with them, specialists to answer your questions.In short, a way to dive into the world of the giants! Created, managed, and edited by the GREMM, this non-corporate and ad-free site depends on the support of numerous ACCUEIL - BALEINES EN DIRECTTRANSLATE THIS PAGEDÉCOUVRIROBSERVERAGIRMAGAZINELES ESPÈCES DE BALEINES DU SAINT-LAURENTLA VIE DES BALEINES Tout sur les baleines du Saint-Laurent. Plongez dans l’univers fascinant des baleines du Saint-Laurent. Édité par le Groupe de recherche et d’éducation sur les mammifères marins, Baleines en direct est une encyclopédie sur la recherche sur les cétacés et un magazine ludique et rigoureux. WHAT’S HAPPENING WITH NORTH ATLANTIC RIGHT WHALES IN 2021 With a total population estimated to number fewer than 360 individuals, the North Atlantic right whale is one of the most endangered cetaceans in the world.Its survival hangs by a thread, and the fate of the species depends on our ability to share the oceans with these giants. [Learn more about the North Atlantic right whale.Plump and quite slow, right whales – also known as northernright
THE ORIGIN OF WHALES (EVOLUTION) The Origin of Whales or the Evolution. The first whales appeared 50 million years ago, well after the extinction of the dinosaurs, but well before the appearance of the first humans. Their ancestor is most likely an ancient artiodactyl, i.e. a four-legged, even-toedREPRODUCTIVE SYSTEM
The reproductive system of whales is proportional to the overall size of these giants. The penis of some baleen whales can reach 3 metres long. Right whales have the largest testicles in the animal kingdom, reaching a combined mass of 1,000 kg, which corresponds to 2% of their total weight. Despite being generally smaller than their baleen WHY DO SEALS COME OUT OF THE WATER? Greater numbers of seals can generally be observed out of the water at low tide. In warmer and dryer conditions with no precipitation and light or no wind, seals will tend to come aground for longer periods and in larger numbers. In any case, if a seal decides to come out of the water, it is because it is in its best interest to do so. DO HYBRIDS EXIST IN CETACEANS? Recently, in August 2017, scientists observed and genetically confirmed off the coast of Hawaii a new type of hybrid between a melon-headed dolphin and a rough-toothed dolphin. As only one melon-headed dolphin was in the group, researchers believe it is the mother of the hybrids. Kawili Kai, the result of the mating of ahybrid bottlenose
NORTH ATLANTIC RIGHT WHALE BIRTHS GIVE CAUSE FOR HOPE Magic (#1243), a 39-year-old right whale, gave birth to her seventh calf. Minus One (#2430) gave birth to her third calf at the age of 27. We also congratulate Binary (#3010) for her third calf at the age of 21 and the 27-year-old # 2420 for her fifth calf. The oldest mother, Grand Teton (#1145) is WHAT IS THE FUNCTION OF THE CALLOSITIES IN RIGHT WHALES By Sonia Villalon. The callosities in right whales are irregular patches of thickened and keratinized tissues. These tissues are habitat for three species of amphipod crustaceans specializing in right whales: Cyamis ovalis and Cyamis gracilis, which are white and are found on normal callosities in healthy individuals and, conversely, Cyamis erraticus, which is orange and is found in thewounds
DO SPERM WHALES HAVE ANY PREDATORS?... BY OLIVIA Toothed whales are generally much smaller than baleen whales. However, the sperm whale is a toothed whale that can grow up to 18 metres long and weigh 50 tonnes! Does an animal of this size have predators? The answer is yes. The sperm whale has even developed a position to protect itself from attackers, the so-called “marguerite” formation: heads together and tails facing outwards. WHAT’S HAPPENING WITH NORTH ATLANTIC RIGHT WHALES IN 2021 With a total population estimated to number fewer than 360 individuals, the North Atlantic right whale is one of the most endangered cetaceans in the world.Its survival hangs by a thread, and the fate of the species depends on our ability to share the oceans with these giants. [Learn more about the North Atlantic right whale.Plump and quite slow, right whales – also known as northernright
MARINE MAMMAL EMERGENCIES Incidents involving marine mammals contribute to the further decline of certain populations that are threatened or endangered. A coordinated, rapid and efficient response is the best strategy for assisting marine mammals in difficulty and obtaining scientific data from each incident that will help manage these species and ultimately foster a better coexistence of humans and marine mammals MAGAZINE - BALEINES EN DIRECT Amazing Pilot Whales. It is perhaps the least known marine mammal species in the St. Lawrence. And for good reason: sightings are occasional in the Gulf, and rare in the Estuary. So when René Roy, during his first trip out to sea, found himself in a group of about twenty pilot whales off the coast of Franquelin in Quebec’sCôte-Nord region
AMAZING PILOT WHALES The pilot whale is a species of dolphin with a rounded head like that of a beluga (though the beluga does not belong to the dolphin family). Its broad dorsal fin looks more like that of the harbour porpoise than the sickle-shaped fin of the Atlantic white-sided dolphin. ItsCONSERVATION
Finding the fragile balance between the protection of whales and the use of their territory is a great challenge. Conservationists are trying to find the best way to use the resources of the St. Lawrence while minimizing our effects on whales. WHAT IS THE FUNCTION OF THE CALLOSITIES IN RIGHT WHALES By Sonia Villalon. The callosities in right whales are irregular patches of thickened and keratinized tissues. These tissues are habitat for three species of amphipod crustaceans specializing in right whales: Cyamis ovalis and Cyamis gracilis, which are white and are found on normal callosities in healthy individuals and, conversely, Cyamis erraticus, which is orange and is found in thewounds
WHY ARE WHALES IMPORTANT? WHY SHOULD WE PROTECT THEM Whales are sentinels of the health of marine environments. They are found in all the world’s oceans, from coastal areas to the deep sea. As whales lie at the top of the food pyramid, any decline or increase in their population is an indication of a change in their habitat. Dany Zbinden of the organization Mériscope stresses the importance of ANTIBIOTIC TREATMENTS FOR WHALES: A CHALLENGE Antibiotic Treatments for Whales: A Challenge. Across Canada and the US in early January, North Atlantic right whale experts, marine mammal veterinarians and whale rescue specialists participate in an emergency conference call. Off the Florida coast, a fourth North Atlantic right whale calf has just been spotted during an aerial survey. SHORT BIOS OF WOMEN IN MARINE BIOLOGY 20 th century. Helen Battle (1903-1994) was the first woman in Canada to obtain a PhD in marine biology (1928). She was also one of the first zoologists to apply laboratory techniques to marine biology. More precisely, she studied the effects of pollutants on the embryonic development of fish eggs. While teaching zoology at the University of ARE ATLANTIC GRAY WHALES REALLY EXTINCT Are Atlantic Gray Whales Really Extinct. Today only two populations of gray whales are found in the North Pacific Ocean. The North Atlantic population was extirpated in the early 18 th century. Nevertheless, in 2010, two observations were recorded in the Mediterranean: one off the coast of Israel and another off of Barcelona, Spain. HOME - BALEINES EN DIRECTDISCOVEROBSERVEACTMAGAZINETHE ECOSYSTEMS OF THE WHALESTHE SPECIES OF THE ST. LAWRENCE All you have to know about the St. Lawrence whales. Whales Online, source of all the latest news on the cetaceans of the St. Lawrence and beyond, tools to prepare your encounter with them, specialists to answer your questions.In short, a way to dive into the world of the giants! Created, managed, and edited by the GREMM, this non-corporate and ad-free site depends on the support of numerous WHAT’S HAPPENING WITH NORTH ATLANTIC RIGHT WHALES IN 2021 With a total population estimated to number fewer than 360 individuals, the North Atlantic right whale is one of the most endangered cetaceans in the world.Its survival hangs by a thread, and the fate of the species depends on our ability to share the oceans with these giants. [Learn more about the North Atlantic right whale.Plump and quite slow, right whales – also known as northernright
THE ORIGIN OF WHALES (EVOLUTION) The first whales appeared 50 million years ago, well after the extinction of the dinosaurs, but well before the appearance of the first humans. Their ancestor is most likely an ancient artiodactyl, i.e. a four-legged, even-toed hoofed (ungulate) land mammal, adapted for running. Cetaceans thus ha MARINE MAMMAL EMERGENCIES Incidents involving marine mammals contribute to the further decline of certain populations that are threatened or endangered. A coordinated, rapid and efficient response is the best strategy for assisting marine mammals in difficulty and obtaining scientific data from each incident that will help manage these species and ultimately foster a better coexistence of humans and marine mammals WHY DO SEALS COME OUT OF THE WATER? Camille Bégin Marchand . Camille Bégin Marchand has been employed for GREMM from 2013 to 2018. Although she began as a naturalist at the Marine Mammal Interpretation Centre, Camille’s interest in scientific writing would later land her a position on the Whales Online editorial team. NORTH ATLANTIC RIGHT WHALE BIRTHS GIVE CAUSE FOR HOPE To date, 14 calves have been counted for the 2021 breeding season. Fifteen if we count the very first sighting of the season: a newborn unfortunately found dead on a North Carolina beach in November. Sixteen, if we include the calf observed in the Canary Islands (seetext below).
HOW DO THEY DETERMINE THE AGE OF WHALES? A study of the use of photogrammetry to determine the age of grey whales has shown that they stop growing only at the age of 40, whereas they have a life expectancy of between 50 and 70 years. WHAT IS THE FUNCTION OF THE CALLOSITIES IN RIGHT WHALES By Sonia Villalon. The callosities in right whales are irregular patches of thickened and keratinized tissues. These tissues are habitat for three species of amphipod crustaceans specializing in right whales: Cyamis ovalis and Cyamis gracilis, which are white and are found on normal callosities in healthy individuals and, conversely, Cyamis erraticus, which is orange and is found in thewounds
DO TIDES HAVE AN INFLUENCE ON WHALES? Tides – generally two high and two low per day – generate and influence ocean currents. In turn, these currents act directly and indirectly on the movements and distribution of whales. For the belugas that ply the Saguenay Fjord, these cyclical movements serve as a travelling route up and down the river, from Baie Sainte-Marguerite to the mouth of the Fjord. DO SPERM WHALES HAVE ANY PREDATORS?... BY OLIVIA Toothed whales are generally much smaller than baleen whales. However, the sperm whale is a toothed whale that can grow up to 18 metres long and weigh 50 tonnes! Does an animal of this size have predators? The answer is yes. The sperm whale has even developed a position to protect itself from attackers, the so-called “marguerite” formation: heads together and tails facing outwards. HOME - BALEINES EN DIRECTDISCOVEROBSERVEACTMAGAZINETHE ECOSYSTEMS OF THE WHALESTHE SPECIES OF THE ST. LAWRENCE All you have to know about the St. Lawrence whales. Whales Online, source of all the latest news on the cetaceans of the St. Lawrence and beyond, tools to prepare your encounter with them, specialists to answer your questions.In short, a way to dive into the world of the giants! Created, managed, and edited by the GREMM, this non-corporate and ad-free site depends on the support of numerous WHAT’S HAPPENING WITH NORTH ATLANTIC RIGHT WHALES IN 2021 With a total population estimated to number fewer than 360 individuals, the North Atlantic right whale is one of the most endangered cetaceans in the world.Its survival hangs by a thread, and the fate of the species depends on our ability to share the oceans with these giants. [Learn more about the North Atlantic right whale.Plump and quite slow, right whales – also known as northernright
THE ORIGIN OF WHALES (EVOLUTION) The first whales appeared 50 million years ago, well after the extinction of the dinosaurs, but well before the appearance of the first humans. Their ancestor is most likely an ancient artiodactyl, i.e. a four-legged, even-toed hoofed (ungulate) land mammal, adapted for running. Cetaceans thus ha MARINE MAMMAL EMERGENCIES Incidents involving marine mammals contribute to the further decline of certain populations that are threatened or endangered. A coordinated, rapid and efficient response is the best strategy for assisting marine mammals in difficulty and obtaining scientific data from each incident that will help manage these species and ultimately foster a better coexistence of humans and marine mammals WHY DO SEALS COME OUT OF THE WATER? Camille Bégin Marchand . Camille Bégin Marchand has been employed for GREMM from 2013 to 2018. Although she began as a naturalist at the Marine Mammal Interpretation Centre, Camille’s interest in scientific writing would later land her a position on the Whales Online editorial team. NORTH ATLANTIC RIGHT WHALE BIRTHS GIVE CAUSE FOR HOPE To date, 14 calves have been counted for the 2021 breeding season. Fifteen if we count the very first sighting of the season: a newborn unfortunately found dead on a North Carolina beach in November. Sixteen, if we include the calf observed in the Canary Islands (seetext below).
HOW DO THEY DETERMINE THE AGE OF WHALES? A study of the use of photogrammetry to determine the age of grey whales has shown that they stop growing only at the age of 40, whereas they have a life expectancy of between 50 and 70 years. WHAT IS THE FUNCTION OF THE CALLOSITIES IN RIGHT WHALES By Sonia Villalon. The callosities in right whales are irregular patches of thickened and keratinized tissues. These tissues are habitat for three species of amphipod crustaceans specializing in right whales: Cyamis ovalis and Cyamis gracilis, which are white and are found on normal callosities in healthy individuals and, conversely, Cyamis erraticus, which is orange and is found in thewounds
DO TIDES HAVE AN INFLUENCE ON WHALES? Tides – generally two high and two low per day – generate and influence ocean currents. In turn, these currents act directly and indirectly on the movements and distribution of whales. For the belugas that ply the Saguenay Fjord, these cyclical movements serve as a travelling route up and down the river, from Baie Sainte-Marguerite to the mouth of the Fjord. DO SPERM WHALES HAVE ANY PREDATORS?... BY OLIVIA Toothed whales are generally much smaller than baleen whales. However, the sperm whale is a toothed whale that can grow up to 18 metres long and weigh 50 tonnes! Does an animal of this size have predators? The answer is yes. The sperm whale has even developed a position to protect itself from attackers, the so-called “marguerite” formation: heads together and tails facing outwards. SEASON KICKS OFF AT MARINE MAMMAL INTERPRETATION CENTRE Last year, three new skeletons made their debut in an expanded exhibition: a fin whale, a juvenile humpback and a right whale.Also new for the 2020 season: the skeletons sing and glow in the Whale Ballet, an activity that masterfully combines music and lighting.. To gawk at the largest collection of marine mammal skeletons in Canada, interact with seasoned naturalists and learn more about THE ORIGIN OF WHALES (EVOLUTION) The first whales appeared 50 million years ago, well after the extinction of the dinosaurs, but well before the appearance of the first humans. Their ancestor is most likely an ancient artiodactyl, i.e. a four-legged, even-toed hoofed (ungulate) land mammal, adapted for running. Cetaceans thus ha MARINE MAMMAL EMERGENCIES Incidents involving marine mammals contribute to the further decline of certain populations that are threatened or endangered. A coordinated, rapid and efficient response is the best strategy for assisting marine mammals in difficulty and obtaining scientific data from each incident that will help manage these species and ultimately foster a better coexistence of humans and marine mammalsCONSERVATION
Finding the fragile balance between the protection of whales and the use of their territory is a great challenge. Conservationists are trying to find the best way to use the resources of the St. Lawrence while minimizing our effects on whales.REPRODUCTIVE SYSTEM
Male Anatomy. Unlike most mammals, the entire reproductive system in males is internal, concealed in a genital slit. This adaptation enhances their hydrodynamics when swimming and helps minimize heatloss.
HOW DO BOATS AVOID WHALES? Collisions between ships and cetaceans are rather frequent and are a recognized cause of cetacean mortality in the world, despite the fact that the former are rather loud and the latter have an excellent sense of hearing. A number of working groups are seeking practical solutions to help ships avoid collisions with whales. Such solutions include tools to inform mariners of the presence of ANTIBIOTIC TREATMENTS FOR WHALES: A CHALLENGE Two cases can serve as references. In May 2007, a mother-calf pair of humpbacks was spotted in the Sacramento River, California. The two humpbacks show lacerations consistent with those caused by an engine propeller and do not seem to want to return to their natural habitatin the Pacific.
SHORT BIOS OF WOMEN IN MARINE BIOLOGY Eugenie Clark (1922-2015), nicknamed “The Shark Lady”, was passionate about marine wildlife ever since she was a child.In the course of her career, she discovers several species of sharks and works to dispel myths about these animals that are not as dangerous as the public believes. WHY ARE WHALES IMPORTANT? WHY SHOULD WE PROTECT THEM The Whales Online team asked these questions to researchers who dedicate their time and energy studying the whales of the St. Lawrence. A summary of their responses follows. HOW DO WE KNOW HOW BIG A BLUE WHALE GULP IS? For researchers, studying the giants of the seas is no easy task! For example, how do they quantify how much a blue whale consumes? To quantify the volume that can fit in a whale’s mouth, all while the animal is in motion in the open sea, seems like a totally impossible mission and we can assure you, no researcher wants to be voluntarily swallowed by a whale for the sake of science! HOME - BALEINES EN DIRECTDISCOVEROBSERVEACTMAGAZINETHE ECOSYSTEMS OF THE WHALESTHE SPECIES OF THE ST. LAWRENCE All you have to know about the St. Lawrence whales. Whales Online, source of all the latest news on the cetaceans of the St. Lawrence and beyond, tools to prepare your encounter with them, specialists to answer your questions.In short, a way to dive into the world of the giants! Created, managed, and edited by the GREMM, this non-corporate and ad-free site depends on the support of numerous ACCUEIL - BALEINES EN DIRECTTRANSLATE THIS PAGEDÉCOUVRIROBSERVERAGIRMAGAZINELES ESPÈCES DE BALEINES DU SAINT-LAURENTLA VIE DES BALEINES Tout sur les baleines du Saint-Laurent. Plongez dans l’univers fascinant des baleines du Saint-Laurent. Édité par le Groupe de recherche et d’éducation sur les mammifères marins, Baleines en direct est une encyclopédie sur la recherche sur les cétacés et un magazine ludique et rigoureux. WHAT’S HAPPENING WITH NORTH ATLANTIC RIGHT WHALES IN 2021 With a total population estimated to number fewer than 360 individuals, the North Atlantic right whale is one of the most endangered cetaceans in the world.Its survival hangs by a thread, and the fate of the species depends on our ability to share the oceans with these giants. [Learn more about the North Atlantic right whale.Plump and quite slow, right whales – also known as northernright
THE ORIGIN OF WHALES (EVOLUTION) The Origin of Whales or the Evolution. The first whales appeared 50 million years ago, well after the extinction of the dinosaurs, but well before the appearance of the first humans. Their ancestor is most likely an ancient artiodactyl, i.e. a four-legged, even-toedREPRODUCTIVE SYSTEM
The reproductive system of whales is proportional to the overall size of these giants. The penis of some baleen whales can reach 3 metres long. Right whales have the largest testicles in the animal kingdom, reaching a combined mass of 1,000 kg, which corresponds to 2% of their total weight. Despite being generally smaller than their baleen WHY DO SEALS COME OUT OF THE WATER? Greater numbers of seals can generally be observed out of the water at low tide. In warmer and dryer conditions with no precipitation and light or no wind, seals will tend to come aground for longer periods and in larger numbers. In any case, if a seal decides to come out of the water, it is because it is in its best interest to do so. DO HYBRIDS EXIST IN CETACEANS? Recently, in August 2017, scientists observed and genetically confirmed off the coast of Hawaii a new type of hybrid between a melon-headed dolphin and a rough-toothed dolphin. As only one melon-headed dolphin was in the group, researchers believe it is the mother of the hybrids. Kawili Kai, the result of the mating of ahybrid bottlenose
NORTH ATLANTIC RIGHT WHALE BIRTHS GIVE CAUSE FOR HOPE Magic (#1243), a 39-year-old right whale, gave birth to her seventh calf. Minus One (#2430) gave birth to her third calf at the age of 27. We also congratulate Binary (#3010) for her third calf at the age of 21 and the 27-year-old # 2420 for her fifth calf. The oldest mother, Grand Teton (#1145) is WHAT IS THE FUNCTION OF THE CALLOSITIES IN RIGHT WHALES By Sonia Villalon. The callosities in right whales are irregular patches of thickened and keratinized tissues. These tissues are habitat for three species of amphipod crustaceans specializing in right whales: Cyamis ovalis and Cyamis gracilis, which are white and are found on normal callosities in healthy individuals and, conversely, Cyamis erraticus, which is orange and is found in thewounds
DO SPERM WHALES HAVE ANY PREDATORS?... BY OLIVIA Toothed whales are generally much smaller than baleen whales. However, the sperm whale is a toothed whale that can grow up to 18 metres long and weigh 50 tonnes! Does an animal of this size have predators? The answer is yes. The sperm whale has even developed a position to protect itself from attackers, the so-called “marguerite” formation: heads together and tails facing outwards. HOME - BALEINES EN DIRECTDISCOVEROBSERVEACTMAGAZINETHE ECOSYSTEMS OF THE WHALESTHE SPECIES OF THE ST. LAWRENCE All you have to know about the St. Lawrence whales. Whales Online, source of all the latest news on the cetaceans of the St. Lawrence and beyond, tools to prepare your encounter with them, specialists to answer your questions.In short, a way to dive into the world of the giants! Created, managed, and edited by the GREMM, this non-corporate and ad-free site depends on the support of numerous ACCUEIL - BALEINES EN DIRECTTRANSLATE THIS PAGEDÉCOUVRIROBSERVERAGIRMAGAZINELES ESPÈCES DE BALEINES DU SAINT-LAURENTLA VIE DES BALEINES Tout sur les baleines du Saint-Laurent. Plongez dans l’univers fascinant des baleines du Saint-Laurent. Édité par le Groupe de recherche et d’éducation sur les mammifères marins, Baleines en direct est une encyclopédie sur la recherche sur les cétacés et un magazine ludique et rigoureux. WHAT’S HAPPENING WITH NORTH ATLANTIC RIGHT WHALES IN 2021 With a total population estimated to number fewer than 360 individuals, the North Atlantic right whale is one of the most endangered cetaceans in the world.Its survival hangs by a thread, and the fate of the species depends on our ability to share the oceans with these giants. [Learn more about the North Atlantic right whale.Plump and quite slow, right whales – also known as northernright
THE ORIGIN OF WHALES (EVOLUTION) The Origin of Whales or the Evolution. The first whales appeared 50 million years ago, well after the extinction of the dinosaurs, but well before the appearance of the first humans. Their ancestor is most likely an ancient artiodactyl, i.e. a four-legged, even-toedREPRODUCTIVE SYSTEM
The reproductive system of whales is proportional to the overall size of these giants. The penis of some baleen whales can reach 3 metres long. Right whales have the largest testicles in the animal kingdom, reaching a combined mass of 1,000 kg, which corresponds to 2% of their total weight. Despite being generally smaller than their baleen WHY DO SEALS COME OUT OF THE WATER? Greater numbers of seals can generally be observed out of the water at low tide. In warmer and dryer conditions with no precipitation and light or no wind, seals will tend to come aground for longer periods and in larger numbers. In any case, if a seal decides to come out of the water, it is because it is in its best interest to do so. DO HYBRIDS EXIST IN CETACEANS? Recently, in August 2017, scientists observed and genetically confirmed off the coast of Hawaii a new type of hybrid between a melon-headed dolphin and a rough-toothed dolphin. As only one melon-headed dolphin was in the group, researchers believe it is the mother of the hybrids. Kawili Kai, the result of the mating of ahybrid bottlenose
NORTH ATLANTIC RIGHT WHALE BIRTHS GIVE CAUSE FOR HOPE Magic (#1243), a 39-year-old right whale, gave birth to her seventh calf. Minus One (#2430) gave birth to her third calf at the age of 27. We also congratulate Binary (#3010) for her third calf at the age of 21 and the 27-year-old # 2420 for her fifth calf. The oldest mother, Grand Teton (#1145) is WHAT IS THE FUNCTION OF THE CALLOSITIES IN RIGHT WHALES By Sonia Villalon. The callosities in right whales are irregular patches of thickened and keratinized tissues. These tissues are habitat for three species of amphipod crustaceans specializing in right whales: Cyamis ovalis and Cyamis gracilis, which are white and are found on normal callosities in healthy individuals and, conversely, Cyamis erraticus, which is orange and is found in thewounds
DO SPERM WHALES HAVE ANY PREDATORS?... BY OLIVIA Toothed whales are generally much smaller than baleen whales. However, the sperm whale is a toothed whale that can grow up to 18 metres long and weigh 50 tonnes! Does an animal of this size have predators? The answer is yes. The sperm whale has even developed a position to protect itself from attackers, the so-called “marguerite” formation: heads together and tails facing outwards. WHAT’S HAPPENING WITH NORTH ATLANTIC RIGHT WHALES IN 2021 With a total population estimated to number fewer than 360 individuals, the North Atlantic right whale is one of the most endangered cetaceans in the world.Its survival hangs by a thread, and the fate of the species depends on our ability to share the oceans with these giants. [Learn more about the North Atlantic right whale.Plump and quite slow, right whales – also known as northernright
MARINE MAMMAL EMERGENCIES Incidents involving marine mammals contribute to the further decline of certain populations that are threatened or endangered. A coordinated, rapid and efficient response is the best strategy for assisting marine mammals in difficulty and obtaining scientific data from each incident that will help manage these species and ultimately foster a better coexistence of humans and marine mammals MAGAZINE - BALEINES EN DIRECT Amazing Pilot Whales. It is perhaps the least known marine mammal species in the St. Lawrence. And for good reason: sightings are occasional in the Gulf, and rare in the Estuary. So when René Roy, during his first trip out to sea, found himself in a group of about twenty pilot whales off the coast of Franquelin in Quebec’sCôte-Nord region
AMAZING PILOT WHALES The pilot whale is a species of dolphin with a rounded head like that of a beluga (though the beluga does not belong to the dolphin family). Its broad dorsal fin looks more like that of the harbour porpoise than the sickle-shaped fin of the Atlantic white-sided dolphin. ItsCONSERVATION
Finding the fragile balance between the protection of whales and the use of their territory is a great challenge. Conservationists are trying to find the best way to use the resources of the St. Lawrence while minimizing our effects on whales. WHAT IS THE FUNCTION OF THE CALLOSITIES IN RIGHT WHALES By Sonia Villalon. The callosities in right whales are irregular patches of thickened and keratinized tissues. These tissues are habitat for three species of amphipod crustaceans specializing in right whales: Cyamis ovalis and Cyamis gracilis, which are white and are found on normal callosities in healthy individuals and, conversely, Cyamis erraticus, which is orange and is found in thewounds
WHY ARE WHALES IMPORTANT? WHY SHOULD WE PROTECT THEM Whales are sentinels of the health of marine environments. They are found in all the world’s oceans, from coastal areas to the deep sea. As whales lie at the top of the food pyramid, any decline or increase in their population is an indication of a change in their habitat. Dany Zbinden of the organization Mériscope stresses the importance of ANTIBIOTIC TREATMENTS FOR WHALES: A CHALLENGE Antibiotic Treatments for Whales: A Challenge. Across Canada and the US in early January, North Atlantic right whale experts, marine mammal veterinarians and whale rescue specialists participate in an emergency conference call. Off the Florida coast, a fourth North Atlantic right whale calf has just been spotted during an aerial survey. SHORT BIOS OF WOMEN IN MARINE BIOLOGY 20 th century. Helen Battle (1903-1994) was the first woman in Canada to obtain a PhD in marine biology (1928). She was also one of the first zoologists to apply laboratory techniques to marine biology. More precisely, she studied the effects of pollutants on the embryonic development of fish eggs. While teaching zoology at the University of ARE ATLANTIC GRAY WHALES REALLY EXTINCT Are Atlantic Gray Whales Really Extinct. Today only two populations of gray whales are found in the North Pacific Ocean. The North Atlantic population was extirpated in the early 18 th century. Nevertheless, in 2010, two observations were recorded in the Mediterranean: one off the coast of Israel and another off of Barcelona, Spain. HOME - BALEINES EN DIRECTDISCOVEROBSERVEACTMAGAZINETHE ECOSYSTEMS OF THE WHALESTHE SPECIES OF THE ST. LAWRENCE All you have to know about the St. Lawrence whales. Whales Online, source of all the latest news on the cetaceans of the St. Lawrence and beyond, tools to prepare your encounter with them, specialists to answer your questions.In short, a way to dive into the world of the giants! Created, managed, and edited by the GREMM, this non-corporate and ad-free site depends on the support of numerous THE ORIGIN OF WHALES (EVOLUTION) The Origin of Whales or the Evolution. The first whales appeared 50 million years ago, well after the extinction of the dinosaurs, but well before the appearance of the first humans. Their ancestor is most likely an ancient artiodactyl, i.e. a four-legged, even-toed MARINE MAMMAL EMERGENCIES Incidents involving marine mammals contribute to the further decline of certain populations that are threatened or endangered. A coordinated, rapid and efficient response is the best strategy for assisting marine mammals in difficulty and obtaining scientific data from each incident that will help manage these species and ultimately foster a better coexistence of humans and marine mammals HOW DO THEY DETERMINE THE AGE OF WHALES? When a necropsy is performed, the age of the individual is estimated by counting growth layers in the teeth (article in French only), in the baleen or even in the ear wax of the carcass. Like the growth rings of a tree trunk, there are usually one or two new growth layers for each year. If it is a female, her ovaries can also tell us aboutthe
NORTH ATLANTIC RIGHT WHALES: NEW AND CONTINUING MEASURES North Atlantic Right Whales: New and Continuing Measures in 2020. Speed limits reduced to 10 knots in certain areas, closure of fishing zones, increased surveillance: the Government of Canada has announced a series of measures to lower the risk of entanglement and collisions for North Atlantic right whales. This endangered species has been an WHY DO SEALS COME OUT OF THE WATER? Greater numbers of seals can generally be observed out of the water at low tide. In warmer and dryer conditions with no precipitation and light or no wind, seals will tend to come aground for longer periods and in larger numbers. In any case, if a seal decides to come out of the water, it is because it is in its best interest to do so. DO SPERM WHALES HAVE ANY PREDATORS?... BY OLIVIA Toothed whales are generally much smaller than baleen whales. However, the sperm whale is a toothed whale that can grow up to 18 metres long and weigh 50 tonnes! Does an animal of this size have predators? The answer is yes. The sperm whale has even developed a position to protect itself from attackers, the so-called “marguerite” formation: heads together and tails facing outwards. WHAT IS THE FUNCTION OF THE CALLOSITIES IN RIGHT WHALES By Sonia Villalon. The callosities in right whales are irregular patches of thickened and keratinized tissues. These tissues are habitat for three species of amphipod crustaceans specializing in right whales: Cyamis ovalis and Cyamis gracilis, which are white and are found on normal callosities in healthy individuals and, conversely, Cyamis erraticus, which is orange and is found in thewounds
DO TIDES HAVE AN INFLUENCE ON WHALES? Tides – generally two high and two low per day – generate and influence ocean currents. In turn, these currents act directly and indirectly on the movements and distribution of whales. For the belugas that ply the Saguenay Fjord, these cyclical movements serve as a travelling route up and down the river, from Baie Sainte-Marguerite to the mouth of the Fjord. ARE ATLANTIC GRAY WHALES REALLY EXTINCT Are Atlantic Gray Whales Really Extinct. Today only two populations of gray whales are found in the North Pacific Ocean. The North Atlantic population was extirpated in the early 18 th century. Nevertheless, in 2010, two observations were recorded in the Mediterranean: one off the coast of Israel and another off of Barcelona, Spain. HOME - BALEINES EN DIRECTDISCOVEROBSERVEACTMAGAZINETHE ECOSYSTEMS OF THE WHALESTHE SPECIES OF THE ST. LAWRENCE All you have to know about the St. Lawrence whales. Whales Online, source of all the latest news on the cetaceans of the St. Lawrence and beyond, tools to prepare your encounter with them, specialists to answer your questions.In short, a way to dive into the world of the giants! Created, managed, and edited by the GREMM, this non-corporate and ad-free site depends on the support of numerous THE ORIGIN OF WHALES (EVOLUTION) The Origin of Whales or the Evolution. The first whales appeared 50 million years ago, well after the extinction of the dinosaurs, but well before the appearance of the first humans. Their ancestor is most likely an ancient artiodactyl, i.e. a four-legged, even-toed MARINE MAMMAL EMERGENCIES Incidents involving marine mammals contribute to the further decline of certain populations that are threatened or endangered. A coordinated, rapid and efficient response is the best strategy for assisting marine mammals in difficulty and obtaining scientific data from each incident that will help manage these species and ultimately foster a better coexistence of humans and marine mammals HOW DO THEY DETERMINE THE AGE OF WHALES? When a necropsy is performed, the age of the individual is estimated by counting growth layers in the teeth (article in French only), in the baleen or even in the ear wax of the carcass. Like the growth rings of a tree trunk, there are usually one or two new growth layers for each year. If it is a female, her ovaries can also tell us aboutthe
NORTH ATLANTIC RIGHT WHALES: NEW AND CONTINUING MEASURES North Atlantic Right Whales: New and Continuing Measures in 2020. Speed limits reduced to 10 knots in certain areas, closure of fishing zones, increased surveillance: the Government of Canada has announced a series of measures to lower the risk of entanglement and collisions for North Atlantic right whales. This endangered species has been an WHY DO SEALS COME OUT OF THE WATER? Greater numbers of seals can generally be observed out of the water at low tide. In warmer and dryer conditions with no precipitation and light or no wind, seals will tend to come aground for longer periods and in larger numbers. In any case, if a seal decides to come out of the water, it is because it is in its best interest to do so. DO SPERM WHALES HAVE ANY PREDATORS?... BY OLIVIA Toothed whales are generally much smaller than baleen whales. However, the sperm whale is a toothed whale that can grow up to 18 metres long and weigh 50 tonnes! Does an animal of this size have predators? The answer is yes. The sperm whale has even developed a position to protect itself from attackers, the so-called “marguerite” formation: heads together and tails facing outwards. WHAT IS THE FUNCTION OF THE CALLOSITIES IN RIGHT WHALES By Sonia Villalon. The callosities in right whales are irregular patches of thickened and keratinized tissues. These tissues are habitat for three species of amphipod crustaceans specializing in right whales: Cyamis ovalis and Cyamis gracilis, which are white and are found on normal callosities in healthy individuals and, conversely, Cyamis erraticus, which is orange and is found in thewounds
DO TIDES HAVE AN INFLUENCE ON WHALES? Tides – generally two high and two low per day – generate and influence ocean currents. In turn, these currents act directly and indirectly on the movements and distribution of whales. For the belugas that ply the Saguenay Fjord, these cyclical movements serve as a travelling route up and down the river, from Baie Sainte-Marguerite to the mouth of the Fjord. ARE ATLANTIC GRAY WHALES REALLY EXTINCT Are Atlantic Gray Whales Really Extinct. Today only two populations of gray whales are found in the North Pacific Ocean. The North Atlantic population was extirpated in the early 18 th century. Nevertheless, in 2010, two observations were recorded in the Mediterranean: one off the coast of Israel and another off of Barcelona, Spain. SEASON KICKS OFF AT MARINE MAMMAL INTERPRETATION CENTRE Last year, three new skeletons made their debut in an expanded exhibition: a fin whale, a juvenile humpback and a right whale.Also new for the 2020 season: the skeletons sing and glow in the Whale Ballet, an activity that masterfully combines music and lighting.. To gawk at the largest collection of marine mammal skeletons in Canada, interact with seasoned naturalists and learn more about WITH VISITORS... AT THE MARINE MAMMAL INTERPRETATION Whether on water or on land, the research activities carried out by the Group for Research and Education on Marine Mammals (GREMM) represent an inexhaustible source of “whale tales”, which are often shared in field notes.. However, GREMM’s “education” component also has its fair share of stories! Our team of naturalists therefore invites you totheir playing field – the MarineWITH A DONATION
The GREMM is a registered charity organization and an official donation tax receipt will be issued for any donation of $20 or more. Our fund can also receive: Monthly donations; Stock donations; Material and capital donations; A charitable bequest. ContactMarie-Ève Muller at memuller gremm.org or 418 780-3210 or Patrice Corbeil at pcorbeil MAGAZINE - BALEINES EN DIRECT Amazing Pilot Whales. It is perhaps the least known marine mammal species in the St. Lawrence. And for good reason: sightings are occasional in the Gulf, and rare in the Estuary. So when René Roy, during his first trip out to sea, found himself in a group of about twenty pilot whales off the coast of Franquelin in Quebec’sCôte-Nord region
CONSERVATION
Finding the fragile balance between the protection of whales and the use of their territory is a great challenge. Conservationists are trying to find the best way to use the resources of the St. Lawrence while minimizing our effects on whales.REPRODUCTIVE SYSTEM
The reproductive system of whales is proportional to the overall size of these giants. The penis of some baleen whales can reach 3 metres long. Right whales have the largest testicles in the animal kingdom, reaching a combined mass of 1,000 kg, which corresponds to 2% of their total weight. Despite being generally smaller than their baleen HOW DO THEY DETERMINE THE AGE OF WHALES? When a necropsy is performed, the age of the individual is estimated by counting growth layers in the teeth (article in French only), in the baleen or even in the ear wax of the carcass. Like the growth rings of a tree trunk, there are usually one or two new growth layers for each year. If it is a female, her ovaries can also tell us aboutthe
HOW DO BOATS AVOID WHALES? Collisions between ships and cetaceans are rather frequent and are a recognized cause of cetacean mortality in the world, despite the fact that the former are rather loud and the latter have an excellent sense of hearing. A number of working groups are seeking practical solutions to help ships avoid collisions with whales. Such solutions include tools to inform mariners of the presence of WHY ARE WHALES IMPORTANT? WHY SHOULD WE PROTECT THEM Whales are sentinels of the health of marine environments. They are found in all the world’s oceans, from coastal areas to the deep sea. As whales lie at the top of the food pyramid, any decline or increase in their population is an indication of a change in their habitat. Dany Zbinden of the organization Mériscope stresses the importance of WHAT IS THE FUNCTION OF THE CALLOSITIES IN RIGHT WHALES By Sonia Villalon. The callosities in right whales are irregular patches of thickened and keratinized tissues. These tissues are habitat for three species of amphipod crustaceans specializing in right whales: Cyamis ovalis and Cyamis gracilis, which are white and are found on normal callosities in healthy individuals and, conversely, Cyamis erraticus, which is orange and is found in thewounds
HOME - BALEINES EN DIRECTDISCOVEROBSERVEACTMAGAZINETHE ECOSYSTEMS OF THE WHALESTHE SPECIES OF THE ST. LAWRENCE All you have to know about the St. Lawrence whales. Whales Online, source of all the latest news on the cetaceans of the St. Lawrence and beyond, tools to prepare your encounter with them, specialists to answer your questions.In short, a way to dive into the world of the giants! Created, managed, and edited by the GREMM, this non-corporate and ad-free site depends on the support of numerous THE ORIGIN OF WHALES (EVOLUTION) The Origin of Whales or the Evolution. The first whales appeared 50 million years ago, well after the extinction of the dinosaurs, but well before the appearance of the first humans. Their ancestor is most likely an ancient artiodactyl, i.e. a four-legged, even-toed MARINE MAMMAL EMERGENCIES Incidents involving marine mammals contribute to the further decline of certain populations that are threatened or endangered. A coordinated, rapid and efficient response is the best strategy for assisting marine mammals in difficulty and obtaining scientific data from each incident that will help manage these species and ultimately foster a better coexistence of humans and marine mammals HOW DO THEY DETERMINE THE AGE OF WHALES? When a necropsy is performed, the age of the individual is estimated by counting growth layers in the teeth (article in French only), in the baleen or even in the ear wax of the carcass. Like the growth rings of a tree trunk, there are usually one or two new growth layers for each year. If it is a female, her ovaries can also tell us aboutthe
NORTH ATLANTIC RIGHT WHALES: NEW AND CONTINUING MEASURES North Atlantic Right Whales: New and Continuing Measures in 2020. Speed limits reduced to 10 knots in certain areas, closure of fishing zones, increased surveillance: the Government of Canada has announced a series of measures to lower the risk of entanglement and collisions for North Atlantic right whales. This endangered species has been an WHY DO SEALS COME OUT OF THE WATER? Greater numbers of seals can generally be observed out of the water at low tide. In warmer and dryer conditions with no precipitation and light or no wind, seals will tend to come aground for longer periods and in larger numbers. In any case, if a seal decides to come out of the water, it is because it is in its best interest to do so. DO SPERM WHALES HAVE ANY PREDATORS?... BY OLIVIA Toothed whales are generally much smaller than baleen whales. However, the sperm whale is a toothed whale that can grow up to 18 metres long and weigh 50 tonnes! Does an animal of this size have predators? The answer is yes. The sperm whale has even developed a position to protect itself from attackers, the so-called “marguerite” formation: heads together and tails facing outwards. WHAT IS THE FUNCTION OF THE CALLOSITIES IN RIGHT WHALES By Sonia Villalon. The callosities in right whales are irregular patches of thickened and keratinized tissues. These tissues are habitat for three species of amphipod crustaceans specializing in right whales: Cyamis ovalis and Cyamis gracilis, which are white and are found on normal callosities in healthy individuals and, conversely, Cyamis erraticus, which is orange and is found in thewounds
DO TIDES HAVE AN INFLUENCE ON WHALES? Tides – generally two high and two low per day – generate and influence ocean currents. In turn, these currents act directly and indirectly on the movements and distribution of whales. For the belugas that ply the Saguenay Fjord, these cyclical movements serve as a travelling route up and down the river, from Baie Sainte-Marguerite to the mouth of the Fjord. ARE ATLANTIC GRAY WHALES REALLY EXTINCT Are Atlantic Gray Whales Really Extinct. Today only two populations of gray whales are found in the North Pacific Ocean. The North Atlantic population was extirpated in the early 18 th century. Nevertheless, in 2010, two observations were recorded in the Mediterranean: one off the coast of Israel and another off of Barcelona, Spain. HOME - BALEINES EN DIRECTDISCOVEROBSERVEACTMAGAZINETHE ECOSYSTEMS OF THE WHALESTHE SPECIES OF THE ST. LAWRENCE All you have to know about the St. Lawrence whales. Whales Online, source of all the latest news on the cetaceans of the St. Lawrence and beyond, tools to prepare your encounter with them, specialists to answer your questions.In short, a way to dive into the world of the giants! Created, managed, and edited by the GREMM, this non-corporate and ad-free site depends on the support of numerous THE ORIGIN OF WHALES (EVOLUTION) The Origin of Whales or the Evolution. The first whales appeared 50 million years ago, well after the extinction of the dinosaurs, but well before the appearance of the first humans. Their ancestor is most likely an ancient artiodactyl, i.e. a four-legged, even-toed MARINE MAMMAL EMERGENCIES Incidents involving marine mammals contribute to the further decline of certain populations that are threatened or endangered. A coordinated, rapid and efficient response is the best strategy for assisting marine mammals in difficulty and obtaining scientific data from each incident that will help manage these species and ultimately foster a better coexistence of humans and marine mammals HOW DO THEY DETERMINE THE AGE OF WHALES? When a necropsy is performed, the age of the individual is estimated by counting growth layers in the teeth (article in French only), in the baleen or even in the ear wax of the carcass. Like the growth rings of a tree trunk, there are usually one or two new growth layers for each year. If it is a female, her ovaries can also tell us aboutthe
NORTH ATLANTIC RIGHT WHALES: NEW AND CONTINUING MEASURES North Atlantic Right Whales: New and Continuing Measures in 2020. Speed limits reduced to 10 knots in certain areas, closure of fishing zones, increased surveillance: the Government of Canada has announced a series of measures to lower the risk of entanglement and collisions for North Atlantic right whales. This endangered species has been an WHY DO SEALS COME OUT OF THE WATER? Greater numbers of seals can generally be observed out of the water at low tide. In warmer and dryer conditions with no precipitation and light or no wind, seals will tend to come aground for longer periods and in larger numbers. In any case, if a seal decides to come out of the water, it is because it is in its best interest to do so. DO SPERM WHALES HAVE ANY PREDATORS?... BY OLIVIA Toothed whales are generally much smaller than baleen whales. However, the sperm whale is a toothed whale that can grow up to 18 metres long and weigh 50 tonnes! Does an animal of this size have predators? The answer is yes. The sperm whale has even developed a position to protect itself from attackers, the so-called “marguerite” formation: heads together and tails facing outwards. WHAT IS THE FUNCTION OF THE CALLOSITIES IN RIGHT WHALES By Sonia Villalon. The callosities in right whales are irregular patches of thickened and keratinized tissues. These tissues are habitat for three species of amphipod crustaceans specializing in right whales: Cyamis ovalis and Cyamis gracilis, which are white and are found on normal callosities in healthy individuals and, conversely, Cyamis erraticus, which is orange and is found in thewounds
DO TIDES HAVE AN INFLUENCE ON WHALES? Tides – generally two high and two low per day – generate and influence ocean currents. In turn, these currents act directly and indirectly on the movements and distribution of whales. For the belugas that ply the Saguenay Fjord, these cyclical movements serve as a travelling route up and down the river, from Baie Sainte-Marguerite to the mouth of the Fjord. ARE ATLANTIC GRAY WHALES REALLY EXTINCT Are Atlantic Gray Whales Really Extinct. Today only two populations of gray whales are found in the North Pacific Ocean. The North Atlantic population was extirpated in the early 18 th century. Nevertheless, in 2010, two observations were recorded in the Mediterranean: one off the coast of Israel and another off of Barcelona, Spain. WITH VISITORS... AT THE MARINE MAMMAL INTERPRETATION Whether on water or on land, the research activities carried out by the Group for Research and Education on Marine Mammals (GREMM) represent an inexhaustible source of “whale tales”, which are often shared in field notes.. However, GREMM’s “education” component also has its fair share of stories! Our team of naturalists therefore invites you totheir playing field – the Marine SEASON KICKS OFF AT MARINE MAMMAL INTERPRETATION CENTRE Last year, three new skeletons made their debut in an expanded exhibition: a fin whale, a juvenile humpback and a right whale.Also new for the 2020 season: the skeletons sing and glow in the Whale Ballet, an activity that masterfully combines music and lighting.. To gawk at the largest collection of marine mammal skeletons in Canada, interact with seasoned naturalists and learn more aboutWITH A DONATION
The GREMM is a registered charity organization and an official donation tax receipt will be issued for any donation of $20 or more. Our fund can also receive: Monthly donations; Stock donations; Material and capital donations; A charitable bequest. ContactMarie-Ève Muller at memuller gremm.org or 418 780-3210 or Patrice Corbeil at pcorbeil MAGAZINE - BALEINES EN DIRECT Amazing Pilot Whales. It is perhaps the least known marine mammal species in the St. Lawrence. And for good reason: sightings are occasional in the Gulf, and rare in the Estuary. So when René Roy, during his first trip out to sea, found himself in a group of about twenty pilot whales off the coast of Franquelin in Quebec’sCôte-Nord region
CONSERVATION
Finding the fragile balance between the protection of whales and the use of their territory is a great challenge. Conservationists are trying to find the best way to use the resources of the St. Lawrence while minimizing our effects on whales.REPRODUCTIVE SYSTEM
The reproductive system of whales is proportional to the overall size of these giants. The penis of some baleen whales can reach 3 metres long. Right whales have the largest testicles in the animal kingdom, reaching a combined mass of 1,000 kg, which corresponds to 2% of their total weight. Despite being generally smaller than their baleen ON THE LOOKOUT FOR BIG BLASTS Off Saint-Irénée, small clusters of white backs regularly pass by, much to the delight of local residents.At Cap de Bon-Désir, it’s minke whales galore, with this species being recorded there almost daily.In Les Bergeronnes on Saturday the 29 th, one minke whale and two belugas are reported swimming toward Tadoussac.On the south shore, in Cacouna, an observer notes the presence of a minke HOW DO BOATS AVOID WHALES? Collisions between ships and cetaceans are rather frequent and are a recognized cause of cetacean mortality in the world, despite the fact that the former are rather loud and the latter have an excellent sense of hearing. A number of working groups are seeking practical solutions to help ships avoid collisions with whales. Such solutions include tools to inform mariners of the presence of HOW DO THEY DETERMINE THE AGE OF WHALES? When a necropsy is performed, the age of the individual is estimated by counting growth layers in the teeth (article in French only), in the baleen or even in the ear wax of the carcass. Like the growth rings of a tree trunk, there are usually one or two new growth layers for each year. If it is a female, her ovaries can also tell us aboutthe
WHY ARE WHALES IMPORTANT? WHY SHOULD WE PROTECT THEM Whales are sentinels of the health of marine environments. They are found in all the world’s oceans, from coastal areas to the deep sea. As whales lie at the top of the food pyramid, any decline or increase in their population is an indication of a change in their habitat. Dany Zbinden of the organization Mériscope stresses the importance of HOME - BALEINES EN DIRECTDISCOVEROBSERVEACTMAGAZINETHE ECOSYSTEMS OF THE WHALESTHE SPECIES OF THE ST. LAWRENCETRACKING WHALES WEBSITESTRACKING WHALES WEBSITES Whales Online, source of all the latest news on the cetaceans of the St. Lawrence and beyond, tools to prepare your encounter with them, specialists to answer your questions. In short, a way to dive into the world of the giants! Created, managed, and edited by the GREMM, this non-corporate and ad-free site depends on the support of numerous ACCUEIL - BALEINES EN DIRECTTRANSLATE THIS PAGEDÉCOUVRIROBSERVERAGIRMAGAZINELES ESPÈCES DE BALEINES DU SAINT-LAURENTLA VIE DES BALEINES Tout sur les baleines du Saint-Laurent. Plongez dans l’univers fascinant des baleines du Saint-Laurent. Édité par le Groupe de recherche et d’éducation sur les mammifères marins, Baleines en direct est une encyclopédie sur la recherche sur les cétacés et un magazine ludique et rigoureux.WITH A DONATION
The GREMM is a registered charity organization and an official donation tax receipt will be issued for any donation of $20 or more. Our fund can also receive: Monthly donations; Stock donations; Material and capital donations; A charitable bequest. ContactMarie-Ève Muller at memuller gremm.org or 418 780-3210 or Patrice Corbeil at pcorbeil THE ORIGIN OF WHALES (EVOLUTION) The Origin of Whales or the Evolution. The first whales appeared 50 million years ago, well after the extinction of the dinosaurs, but well before the appearance of the first humans. Their ancestor is most likely an ancient artiodactyl, i.e. a four-legged, even-toedREPRODUCTIVE SYSTEM
The reproductive system of whales is proportional to the overall size of these giants. The penis of some baleen whales can reach 3 metres long. Right whales have the largest testicles in the animal kingdom, reaching a combined mass of 1,000 kg, which corresponds to 2% of their total weight. Despite being generally smaller than their baleen HOW DO THEY DETERMINE THE AGE OF WHALES? When a necropsy is performed, the age of the individual is estimated by counting growth layers in the teeth (article in French only), in the baleen or even in the ear wax of the carcass. Like the growth rings of a tree trunk, there are usually one or two new growth layers for each year. If it is a female, her ovaries can also tell us aboutthe
WHY DO SEALS COME OUT OF THE WATER? Greater numbers of seals can generally be observed out of the water at low tide. In warmer and dryer conditions with no precipitation and light or no wind, seals will tend to come aground for longer periods and in larger numbers. In any case, if a seal decides to come out of the water, it is because it is in its best interest to do so. ANTIBIOTIC TREATMENTS FOR WHALES: A CHALLENGE Antibiotic Treatments for Whales: A Challenge. Across Canada and the US in early January, North Atlantic right whale experts, marine mammal veterinarians and whale rescue specialists participate in an emergency conference call. Off the Florida coast, a fourth North Atlantic right whale calf has just been spotted during an aerial survey. DO HYBRIDS EXIST IN CETACEANS? Recently, in August 2017, scientists observed and genetically confirmed off the coast of Hawaii a new type of hybrid between a melon-headed dolphin and a rough-toothed dolphin. As only one melon-headed dolphin was in the group, researchers believe it is the mother of the hybrids. Kawili Kai, the result of the mating of ahybrid bottlenose
DO SPERM WHALES HAVE ANY PREDATORS?... BY OLIVIA Toothed whales are generally much smaller than baleen whales. However, the sperm whale is a toothed whale that can grow up to 18 metres long and weigh 50 tonnes! Does an animal of this size have predators? The answer is yes. The sperm whale has even developed a position to protect itself from attackers, the so-called “marguerite” formation: heads together and tails facing outwards. HOME - BALEINES EN DIRECTDISCOVEROBSERVEACTMAGAZINETHE ECOSYSTEMS OF THE WHALESTHE SPECIES OF THE ST. LAWRENCETRACKING WHALES WEBSITESTRACKING WHALES WEBSITES Whales Online, source of all the latest news on the cetaceans of the St. Lawrence and beyond, tools to prepare your encounter with them, specialists to answer your questions. In short, a way to dive into the world of the giants! Created, managed, and edited by the GREMM, this non-corporate and ad-free site depends on the support of numerous ACCUEIL - BALEINES EN DIRECTTRANSLATE THIS PAGEDÉCOUVRIROBSERVERAGIRMAGAZINELES ESPÈCES DE BALEINES DU SAINT-LAURENTLA VIE DES BALEINES Tout sur les baleines du Saint-Laurent. Plongez dans l’univers fascinant des baleines du Saint-Laurent. Édité par le Groupe de recherche et d’éducation sur les mammifères marins, Baleines en direct est une encyclopédie sur la recherche sur les cétacés et un magazine ludique et rigoureux.WITH A DONATION
The GREMM is a registered charity organization and an official donation tax receipt will be issued for any donation of $20 or more. Our fund can also receive: Monthly donations; Stock donations; Material and capital donations; A charitable bequest. ContactMarie-Ève Muller at memuller gremm.org or 418 780-3210 or Patrice Corbeil at pcorbeil THE ORIGIN OF WHALES (EVOLUTION) The Origin of Whales or the Evolution. The first whales appeared 50 million years ago, well after the extinction of the dinosaurs, but well before the appearance of the first humans. Their ancestor is most likely an ancient artiodactyl, i.e. a four-legged, even-toedREPRODUCTIVE SYSTEM
The reproductive system of whales is proportional to the overall size of these giants. The penis of some baleen whales can reach 3 metres long. Right whales have the largest testicles in the animal kingdom, reaching a combined mass of 1,000 kg, which corresponds to 2% of their total weight. Despite being generally smaller than their baleen HOW DO THEY DETERMINE THE AGE OF WHALES? When a necropsy is performed, the age of the individual is estimated by counting growth layers in the teeth (article in French only), in the baleen or even in the ear wax of the carcass. Like the growth rings of a tree trunk, there are usually one or two new growth layers for each year. If it is a female, her ovaries can also tell us aboutthe
WHY DO SEALS COME OUT OF THE WATER? Greater numbers of seals can generally be observed out of the water at low tide. In warmer and dryer conditions with no precipitation and light or no wind, seals will tend to come aground for longer periods and in larger numbers. In any case, if a seal decides to come out of the water, it is because it is in its best interest to do so. ANTIBIOTIC TREATMENTS FOR WHALES: A CHALLENGE Antibiotic Treatments for Whales: A Challenge. Across Canada and the US in early January, North Atlantic right whale experts, marine mammal veterinarians and whale rescue specialists participate in an emergency conference call. Off the Florida coast, a fourth North Atlantic right whale calf has just been spotted during an aerial survey. DO HYBRIDS EXIST IN CETACEANS? Recently, in August 2017, scientists observed and genetically confirmed off the coast of Hawaii a new type of hybrid between a melon-headed dolphin and a rough-toothed dolphin. As only one melon-headed dolphin was in the group, researchers believe it is the mother of the hybrids. Kawili Kai, the result of the mating of ahybrid bottlenose
DO SPERM WHALES HAVE ANY PREDATORS?... BY OLIVIA Toothed whales are generally much smaller than baleen whales. However, the sperm whale is a toothed whale that can grow up to 18 metres long and weigh 50 tonnes! Does an animal of this size have predators? The answer is yes. The sperm whale has even developed a position to protect itself from attackers, the so-called “marguerite” formation: heads together and tails facing outwards.CONSERVATION
Finding the fragile balance between the protection of whales and the use of their territory is a great challenge. Conservationists are trying to find the best way to use the resources of the St. Lawrence while minimizing our effects on whales. MAGAZINE - BALEINES EN DIRECT Amazing Pilot Whales. It is perhaps the least known marine mammal species in the St. Lawrence. And for good reason: sightings are occasional in the Gulf, and rare in the Estuary. So when René Roy, during his first trip out to sea, found himself in a group of about twenty pilot whales off the coast of Franquelin in Quebec’sCôte-Nord region
MARINE MAMMAL EMERGENCIES Incidents involving marine mammals contribute to the further decline of certain populations that are threatened or endangered. A coordinated, rapid and efficient response is the best strategy for assisting marine mammals in difficulty and obtaining scientific data from each incident that will help manage these species and ultimately foster a better coexistence of humans and marine mammals WHAT IS THE FUNCTION OF THE CALLOSITIES IN RIGHT WHALES By Sonia Villalon. The callosities in right whales are irregular patches of thickened and keratinized tissues. These tissues are habitat for three species of amphipod crustaceans specializing in right whales: Cyamis ovalis and Cyamis gracilis, which are white and are found on normal callosities in healthy individuals and, conversely, Cyamis erraticus, which is orange and is found in thewounds
NORTH ATLANTIC RIGHT WHALES: NEW AND CONTINUING MEASURES North Atlantic Right Whales: New and Continuing Measures in 2020. Speed limits reduced to 10 knots in certain areas, closure of fishing zones, increased surveillance: the Government of Canada has announced a series of measures to lower the risk of entanglement and collisions for North Atlantic right whales. This endangered species has been an WHY ARE WHALES IMPORTANT? WHY SHOULD WE PROTECT THEM Whales are sentinels of the health of marine environments. They are found in all the world’s oceans, from coastal areas to the deep sea. As whales lie at the top of the food pyramid, any decline or increase in their population is an indication of a change in their habitat. Dany Zbinden of the organization Mériscope stresses the importance of CÔTE-NORD - ROUTE DES BALEINES - BALEINES EN DIRECT Travelling the Whale Route means taking the time to get to know the Côte-Nord region and the St. Lawrence, a universe larger than life, larger than ourselves. Enjoy the road! Texts: Anne-Marie Asselin, translated by David Soares. Videos and pictures: Anne-Marie Asselin, Richard Mardens, Jean-Sébastien Létourneau. 1. YouTube. NORTH ATLANTIC RIGHT WHALE BIRTHS GIVE CAUSE FOR HOPE Magic (#1243), a 39-year-old right whale, gave birth to her seventh calf. Minus One (#2430) gave birth to her third calf at the age of 27. We also congratulate Binary (#3010) for her third calf at the age of 21 and the 27-year-old # 2420 for her fifth calf. The oldest mother, Grand Teton (#1145) is SHORT BIOS OF WOMEN IN MARINE BIOLOGY 20 th century. Helen Battle (1903-1994) was the first woman in Canada to obtain a PhD in marine biology (1928). She was also one of the first zoologists to apply laboratory techniques to marine biology. More precisely, she studied the effects of pollutants on the embryonic development of fish eggs. While teaching zoology at the University of ARE ATLANTIC GRAY WHALES REALLY EXTINCT Are Atlantic Gray Whales Really Extinct. Today only two populations of gray whales are found in the North Pacific Ocean. The North Atlantic population was extirpated in the early 18 th century. Nevertheless, in 2010, two observations were recorded in the Mediterranean: one off the coast of Israel and another off of Barcelona, Spain.* À propos
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TOUT SUR LES BALEINES DU SAINT-LAURENT Plongez dans l’univers fascinant des baleines du Saint-Laurent. Édité par le Groupe de recherche et d’éducation sur les mammifères marins, _Baleines en direct_ est une encyclopédie sur la recherche sur les cétacés et un magazine ludique et rigoureux.DÉCOUVRIR
LES ESPÈCES__
Les 13 espèces
L'ÉCOSYSTÈME DES BALEINES__Le Saguenay
Le Saint-Laurent
LA VIE DES BALEINES__Anatomie
Physiologie
Comportement
L'AVENIR DES BALEINES__Menaces
Conservation
Programmes de rétablissement LA RECHERCHE SUR LES BALEINES__ Les techniques de rechercheLes chercheurs
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LES BALEINES SONT-ELLES AFFECTÉES PAR LA COVID-19 ? Vous nous avez posé la question par l'intermédiaire de notre page Facebook « Baleines en direct »: la pandémie actuelle deCOVID-19,…
Laure Marandet _|_
* Actualité
9/4/2020
UN, DEUX, SEPT… DOUZE BÉLUGAS! Lors de la tournée d’appels pour récolter les observations, la plupart des observateurs et observatrices transmettent leur joie deretrouver…
Marie-Ève Muller
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* Observations de la semaine9/4/2020
DES CAS INTRIGANTS DE PHOQUES AUX ÎLES-DE-LA-MADELEINE Sept carcasses de phoque ont été rapportées aux Îles-de-la-Madeleine et une dans le Bas-Saint-Laurent durant la finde semaine du…
Méduline Chailloux
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* Urgences Mammifères Marins8/4/2020
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