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News articles on Cetaceans
Mongabay.com news articles on Cetaceans in blog format. Updated regularly.
(10/30/2013) With the help of DNA tests, scientists have declared a new dolphin species that dwells off the coast of northern Australia. The discovery was made after a team of researchers looked at the world's humpback dolphins (in the genus Sousa), which sport telltale humps just behind their dorsal fins. While long-known to science, the new, as-yet-unnamed species was previously lumped with other humpback dolphins in the Indo-Pacific region.
Fishermen illegally killing dolphins for shark-bait in Peru (video)
(10/23/2013) Peruvian fishermen slaughtered dolphins to use as bait for shark fishing, an undercover investigation has revealed. Footage showed infant and adult dolphins being harpooned then stabbed and clubbed before, in some cases, being cut open and butchered while still alive. The slaughtered dolphins were cut up and used as bait. Dolphins are also killed for human consumption in Peru even though it is illegal.
Sonar used by oil company caused mass whale stranding in Madagascar
(09/25/2013) An oil company's use of a high-frequency mapping sonar system was responsible for a mass whale stranding in northwest Madagascar in 2008, finds a new report.
Are seagulls killing whales in Patagonia?
(05/08/2013) It sounds ludicrous, but it could just be true: scientists say seagulls may be responsible for hundreds of southern right whale moralities off the Argentine coastline. Since 2003, scientists have documented the deaths of 605 southern right whales (Eubalaena australis) near Península Valdés which the whales use as a nursery. Notably, 88 percent of these were newborn calves. The death rate is so high that researchers now fear for the whales' long-term survival.
Munching on marine plastic kills sperm whale
(05/07/2013) What do children's toys, balloons, mattresses and plastic bags have in common? They can, along with more non-biodegradable pollutants, be found in the belly of a sperm whale, the topic of a new study in the Marine Pollution Bulletin. The same whale that swallowed Jonah from the Bible, Geppetto from Collodi's Pinocchio, and the crew of the Pequod from Melville's Moby-Dick is now swallowing trash from the Spanish-Mediterranean coast, and in the Strait of Gibraltar.
Japan killed record low number of whales
(04/05/2013) Japan blamed environmental activists for a "record low" take during this year's whaling season in the Southern Ocean, reports Kyodo News.
Photo: Pod of 100,000 dolphins spotted off California coast
(02/21/2013) A 'super mega-pod' of some 100,000 dolphins was spotted off the coast of San Diego last week, according to a report from NBC San Diego.
Save Lolita: new film urges release of captive killer whale
(01/22/2013) Through his new 90-second PSA, Save Lolita, filmmaker Daniel Azarian wanted to connect people to the plight of Lolita on a deeply human level; the only problem: Lolita is an orca, also known as a killer whale. But the stark, moving PSA succeeds, given the sociability of an individual—human or orca—who was stolen from her family and held in captivity for the past 42 years at Miami's Seaquarium.
Whale only known from bones washes up on beach in New Zealand
(11/05/2012) In 2010, a whale mother and male calf were found dead on Opape Beach in New Zealand. Although clearly in the beaked whale family—the most mysterious marine mammal family—scientists thought the pair were relatively well-known Gray's beaked whales (Mesoplodon grayi). That is until DNA findings told a shocking story: the mother and calf were actually spade-toothed beaked whales (Mesoplodon traversii), a species no one had ever seen before as anything more than a pile of bones.
Maui's dolphins still in danger of extinction despite New Zealand's protective measures
(08/07/2012) The New Zealand government's recent efforts to protect the world’s smallest dolphin have come under scrutiny from various conservation organizations at the 64th meeting of the International Whaling Commission (IWC). There are only 55 Maui dolphins (Cephalorhynchus hectori maui) now found on the west coast of New Zealand’s North Island, less than half the 2005 population with numbers continuing to decline. Less than 20 of the remaining Maui’s are breeding females and their slow reproductive rates make it difficult to increase their numbers when faced with an even bigger danger: fishing nets.
Humpback whales delaying migration due to Antarctic changes
(07/30/2012) Humpback whales in the Antarctic are delaying their migration to feed on krill that are staying later due to reduced extent of sea ice, a possible consequence of climate change, reports a study published in the journal Endangered Species Research.
Deepwater Horizon oil spill may have played role in dolphin deaths
(07/22/2012) In the first four months of 2011, 186 bottlenose dolphins (Tursiops truncatus) were found dead in the Gulf of Mexico, nearly half of them dolphin calves many of whom were perinatal, or near birth. Researchers now believe a number of factors may have killed the animals. Writing in the open-access journal PLoS ONE, scientists theorize that the dolphins died a sudden influx of freshwater from snowmelt after being stressed and weakened by an abnormally cold winter and the impacts of the BP oil spill.
Over 30 Yangtze porpoises found dead in China as population nears extinction
(05/01/2012) Six years after the Yangtze river dolphin (Lipotes vexillifer), or baiji, was declared "functionally extinct" by scientists, another marine mammal appears on the edge of extinction in China's hugely degraded Yangtze River. In less than two months, 32 Yangtze finless porpoises (Neophocaena asiaeorientalis asiaeorientalis), a subspecies of the finless porpoise, have been dead found in Dongting and Poyang Lakes in the Yangtze, reports the World Wide Fund for Nature (WWF).
Video: All white killer whale spotted in Russia
(04/27/2012) Scientists in Russia have captured the first-known video footage of an all-white killer whale.
Beyond Bigfoot: the science of cryptozoology
(03/26/2012) Anyone who doubts cryptozoology, which in Greek means the "study of hidden animals," should remember the many lessons of the past 110 years: the mountain gorilla (discovered in 1902), the colossal squid (discovered in 1925, but a full specimen not caught until 1981), and the saola (discovered in 1992) to name a few. Every year, almost 20,000 new species are described by the world's scientists, and a new book by Dr. Karl Shuker, The Encycloapedia of New and Rediscovered Animals, highlights some of the most incredible and notable new animals uncovered during the past century.
World's smallest dolphin: only 55 left, but continue to drown in nets
(03/22/2012) The world's smallest dolphin is also the closest to extinction. New Zealand government figures show that Maui's dolphin (Cephalorhynchus hectori maui) are down to just 55 mature individuals, falling from 111 in 2005. The small cetaceans, measuring up to 1.7 meters (5.5 feet), are imperiled due to drowning in gillnets with the most recent death by a fisherman's net occurring in January.
Featured video: scientists capture first footage of Shepherd's beaked whale
(02/27/2012) Scientists have captured what is believed to be the world's first footage of the cryptic Shepherd's beaked whale (Tasmacetus shepherdi), one of a number of beaked whale species about which scientists know almost nothing.
Amazon.com stops selling whale meat
(02/22/2012) Amazon Japan, a subsidiary of Amazon.com, pulled all whale meat products (and possibly dolphin meat) from its site after a new report by the Environmental Investigation Agency (EIA) and the Humane Society International highlighted the issue. Last December the organizations recorded 147 whale products on sale at Amazon Japan despite an international whaling moratorium since 1986. Japan, along with Iceland and Norway, continues to industrially hunt whales. Japan says their whale hunt is for scientific purposes only, but environmentalists dispute this.
New sanctuaries declared for Asia's freshwater dolphins
(02/15/2012) Bangladesh has declared three new sanctuaries to help protect the south Asian river dolphin (Platanista gangetica) in the Sundarbans, the world's largest mangrove forest. Split into two subspecies, the Ganges River dolphin (Platanista gangetica gangetica) and the Irrawaddy River dolphin (Platanista gangetica minor), the new sanctuaries will benefit both. Listed as Endangered by the IUCN Red List, the south Asian freshwater dolphin has disappeared from much of its habitat. Already Asia has its other freshwater dolphin species: the baiji (Lipotes vexillifer) was declared functionally extinct into 2006 after a survey of the Yangtze River failed to find a single individual.
87 marine mammals still eaten by people
(01/24/2012) Threats to marine mammals usually include climate change, drowning as by-catch, pollution, depletion of prey, but what about eating marine mammals? A new study in Biological Conservation finds that a surprising 87 marine mammals—including polar bears, small whales, and dolphins—have been eaten as food since 1990 in at least 114 countries.
Featured video: tuna industry bycatch includes sea turtles, dolphins, whales
(01/16/2012) A Greenpeace video, using footage from a whistleblower, shows disturbing images of the tuna industry operating in the unregulated waters of the Pacific Ocean. Using fish aggregation devices (FADs) and purse seine nets, the industry is not only able to catch entire schools of tuna, including juvenile, but also whatever else is in the area of the net.
How much is the life of a whale worth?
(01/16/2012) How do you end a decades-long conflict between culture and conservation? How do you stop a conflict where both sides are dug in? A new paper in Nature proposes a way to end the long and bitter battle over whaling: environmentalists could pay whalers not to whale.
New species of bottlenose discovered in Australia (PHOTO)
(09/15/2011) Researchers have discovered a new species of dolphin in Australia, reports ABC News.
Decline in top predators and megafauna 'humankind’s most pervasive influence on nature'
(07/14/2011) Worldwide wolf populations have dropped around 99 percent from historic populations. Lion populations have fallen from 450,000 to 20,000 in 50 years. Three subspecies of tiger went extinct in the 20th Century. Overfishing and finning has cut some shark populations down by 90 percent in just a few decades. Though humpback whales have rebounded since whaling was banned, they are still far from historic numbers. While some humans have mourned such statistics as an aesthetic loss, scientists now say these declines have a far greater impact on humans than just the vanishing of iconic animals. The almost wholesale destruction of top predators—such as sharks, wolves, and big cats—has drastically altered the world's ecosystems, according to a new review study in Science. Although researchers have long known that the decline of animals at the top of food chain, including big herbivores and omnivores, affects ecosystems through what is known as 'trophic cascade', studies over the past few decades are only beginning to reveal the extent to which these animals maintain healthy environments, preserve biodiversity, and improve nature's productivity.
India plans to aid dwindling Ganges River dolphin
(03/08/2011) The Indian government has announced that it plans to develop a program to raise the population of its native Ganges river dolphin (Platanista gangetica gagnetica), a subspecies of the South Asian river dolphin. During a question and answer session Jairam Ramesh, India's Environment and Forests Minister, said that the dolphin's current population was estimated at 2,000 to 3,000 individuals in the Ganges. However, other estimates have placed it lower.
Kite-photography gives new perspective to whale migration
(12/22/2010) A new project sponsored by Nokia uses KAPing - kite aerial photography - to get an innovative look at whale behavior. The project will be taking place in Hawaii and will document the area's annual humpback whale migration.
Japanese making themselves sick with dolphin hunt
(11/01/2010) Japan's dolphin hunt of Dall's porpoise (Phocoenoides dalli) could be making people sick, according to a new study by the Environmental Investigation Agency (EIA) and Campaign Whale. The controversial hunt, which kills some 15,000 dolphins annually, produces cheap meat-for-consumption that on average contains over double Japan's limit on mercury contamination. "We are very concerned that people in Japan are threatening their health and possibly that of their children by unwittingly eating Dall’s porpoise meat that is dangerously contaminated with poisons such as mercury and PCBs," Andy Ottaway, Director of Campaign Whale, said in a press release.
Island nation announces Ukraine-sized sanctuary for whales and dolphins
(10/24/2010) Dolphins, whales, and dugongs will be safe from hunting in the waters surrounding the Pacific nation of Palau. At the Convention on Biological Diversity (CBD) in Nagoya, Japan, Palau's Minister of the Environment, Natural Resources and Tourism, Harry Fritz, announced the establishment of a marine mammal sanctuary covering over 230,000 square miles (60,000 square kilometers) of the nation's waters, an area the size of Mongolia.
Flickr reveals longest whale migration
(10/14/2010) Communal photo sharing site, Flickr, has allowed researchers to discover the longest migration by a whale yet recorded. Ten years ago a female humpback whale swam from Brazil to Madagascar, covering around 6,090 miles (9,800 kilometers). The migration tops the previous record by 2,485 miles (4,000 kilometers). Not only is this a record for a whale, it’s a record for non-human mammals.
Conservation photography: on shooting and saving the world's largest temperate rainforest, an interview with Amy Gulick
(07/11/2010) Most of the US's large ecosystems are but shadows of their former selves. The old-growth deciduous forests that once covered nearly all of the east and mid-west continental US are gone, reduced to a few fragmented patches that are still being lost. The tall grassy plains that once stretched further than any eye could see have been almost wholly replaced by agriculture and increasing suburbs. Habitats, from deserts to western forests, are largely carved by roads and under heavy impact from resource exploitation to invasive species. Coastal marine systems, once super abundant, have partially collapsed in many places due to overfishing, as well as pollution and development. Despite this, there are still places in the US where the 'wild' in wilderness remains largely true, and one of those is the Tongass temperate rainforest of Southeast Alaska.
Extinct animals are quickly forgotten: the baiji and shifting baselines
(02/23/2010) In 2006 a survey in China to locate the endangered Yangtze River dolphin, known as the baiji, found no evidence of its survival. Despondent, researchers declared that the baiji was likely extinct. Four years later and the large charismatic marine mammal is not only 'likely extinct', but in danger of being forgotten, according to a surprising new study 'Rapidly Shifting Baselines in Yangtze Fishing Communities and Local Memory of Extinct Species' in Conservation Biology. Lead author of the study, Dr. Samuel Turvey, was a member of the original expedition in 2006. He returned to the Yangtze in 2008 to interview locals about their knowledge of the baiji and other vanishing megafauna in the river, including the Chinese paddlefish, one of the world's largest freshwater fish. In these interviews Turvey and his team found clear evidence of 'shifting baselines': where humans lose track of even large changes to their environment, such as the loss of a top predator like the baiji.
Photos: ten beloved species threatened by global warming
(12/14/2009) The International Union for the Conservation of Nature (IUCN) has released a list of ten species that are likely to be among the hardest hit by climate change, including beloved species such as the leatherback sea turtle, the koala, the emperor penguin, the clownfish, and the beluga whale. The timing of the list coincides with the negotiations by world leaders at the UN Climate Change Conference to come up with an international agreement to combat climate change.
The Yangtze River may have lost another inhabitant: the Chinese paddlefish
(10/22/2009) In December of 2006 it was announced that the Yangtze River dolphin, commonly known as the baiji, had succumbed to extinction. The dolphin had survived on earth for 20 million years, but the species couldn't survive the combined onslaught of pollution, habitat loss, boat traffic, entanglement in fishing hooks, death from illegal electric fishing, and the construction of several massive dams. Now, another flagship species of the Yangtze River appears to have vanished.
Whale skeleton reveals species unknown to science
(09/22/2009) The importance of a whale to the oceanic ecosystem does not end with its life. After dying, a whale's body sinks to the bottom of the ocean and becomes food for many species, some of whom specialize on feeding on these corpses.
Slaughter of dolphins and whales begins in cove made famous by film
(09/09/2009) Japan Probe reports that the annual dolphin slaughter by fishermen in the Japanese town of Taiji has begun. The hunt was delayed by the presence of Japanese and foreign press in the cove during the first days when the hunt was supposed to begin.
Ganges River Dolphin population falls below 300, faces new threat from oil exploration
(07/19/2009) The Ganges River Dolphin faces a high risk of extinction in India's Brahmaputra river system unless critical habitat is protected, report conservationists. Once abundant in the Ganges and Brahmaputra river systems in India and Bangladesh, the population of the Ganges River Dolphins has fallen sharply over the past century due to accidental bycatch by fishermen, direct killing for their meat and oil, and diversion of water for agriculture. Scientists estimate that only 2,000 remain, of which 240-300 survive in the Brahmaputra, according to a new survey by IUCN researchers, who warn the Brahmaputra population is also imperiled by new threats, including dam building and prospecting for oil.
Iceland reaffirms whaling targets for 2009
(02/19/2009) Iceland's interim government will allow whaling to continue through 2009 but left in question whether it would be permitted in the future, reports Reuters.
Iceland raises whale killing quota to 150 fin whales, 100 minkes per year
(01/28/2009) The outgoing administration in Iceland has substantially raised the country's whaling quota, reports the BBC.
A new reason to ban whaling: your health
(11/28/2008) Health officials have recommended a ban on the eating of pilot whales, a traditional food source, in the Faroe Islands, reports New Scientist. The build-up of toxins — which bioaccumulate up the food chain as predators feed on tainted organisms — have rendered whale meat harmful to humans.
Supreme Court lifts ban on sonar testing, whales lose
(11/12/2008) A Supreme Court decision will allow the Navy to continue its of sonar in training exercises off the coast of California, a defeat for environmental groups who say sonar is harmful to whales, reports the Associated Press.
U.S., Mexico, Canada pledge to save the vaquita from extinction
(10/30/2008) The United States, Mexico, and Canada will work together to conserve the vaquita, the world's smallest, and most endangered, species of cetacean.
Argentina bans fishing, trawling in eco-rich area
(10/09/2008) The government of Argentina has banned commercial fishing along Burdwood Bank, an 1,800 square kilometer (694 square mile) submerged island off its southern coast, according to the Wildlife Conservation Society (WCS).
Whaling Commission issues media blackout on discussions to lift whale killing ban
(09/11/2008) The survival of whales is perhaps the most successful conservation story of the 20th century. Since a moratorium on commercial hunting, some whale species have staged dramatic recoveries. In May it was announced that the humpback whale population has climbed from 1,500 to 20,000 individuals, resulting in it being "downlisted" from vulnerable to least concern, according to the IUCN's Red List. Others, like the blue whale, appear to have stable populations but recovery remains slow.
Whale meat is back on the menu in Iceland
(09/02/2008) Whale meat is back at restaurants and food markets in Iceland, reports the WALL STREET JOURNAL.
The extinction of the baiji a 'wake-up call' to conserve vaquita and other cetaceans
(08/25/2008) In December of 2006 an expedition spent six weeks surveying the Yangtze River in China for one of the world's rarest cetaceans, the baiji. Also known as 'The Goddess of the Yangtze' the shy river-dolphin had roamed the river for millions of years locating fish with echolocation. The survey came back empty-handed without a spotting a single dolphin. Dr. Jay Barlow, a member of the surveying team, described his emotions on the expedition's findings in an interview with Mongabay.com: "I was stunned. I knew the species was in trouble, but I did not think they were already gone. We really had not seen the extinction of a large mammal species in 50 years, so we grew complacent."
The long-ignored ocean emergency and what can be done to address it
(08/18/2008) This year has been full of bad news regarding marine ecosystems: one-third of coral species threatened with extinction, dead-zones spread to 415 sites, half of U.S. reefs in fair or bad condition, increase in ocean acidification, tuna and shark populations collapsing, and only four percent of ocean considered pristine. Jeremy Jackson, director of the Scripps Center for Marine Biodiversity and Conservation at the University of California, San Diego, synthesizes such reports and others into a new paper, published in the journal Proceedings of the National Academy of Sciences, that boldly lays out the scope of the oceanic emergency and what urgently needs to be done.
Whale biomimicry inspires better wind turbines
(07/07/2008) By studying and mimicking the characteristics of the flippers, fins and tails of whales and dolphins, engineers have devised more a efficient way to generate wind power, reports a researcher presenting at the Society for Experimental Biology's Annual Meeting in Marseille, France.
Humpback whale population is recovering
(05/21/2008) The number of humpback whales in the North Pacific Ocean has increased substantially since international and federal protections were put into place in the 1960s and 70s, according to a new study involving more than 400 whale researchers throughout the Pacific region.
New species of river dolphin discovered in the Amazon
(04/30/2008) Researchers have identified a new species of river dolphin in the Bolivian Amazon according to the Whale and Dolphin conservation Society (WDCS). The announcement was made at a conservation workshop in Santa Cruz de la Sierra in Bolivia.
The Arctic's most threatened marine mammals due to climate change
(04/25/2008) A recent study has measured the sensitivity to Arctic marine mammals to climate change. The study found that the three species most vulnerable to climate change are the hooded seal, the polar bear, and the narwhal: the common thread between these species being the loss of sea ice.
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