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News articles on Cetaceans
Mongabay.com news articles on Cetaceans in blog format. Updated regularly.
Jumbo squid and sperm whales tagged
(03/08/2007) Scientists have simulatenously tagged sperm whales and jumbo squid off Mexico's Pacific coast, allowing them to be tracked by satellite even as they dive to depths exceeding 3000 feet. Details of the effort are published in in the March 12 edition of the journal Marine Ecology Progress Series (MEPS).
China will continue search for 'extinct' baiji river dolphin
(12/18/2006) Chinese state media reports that scientists will continue to search for the baiji dolphin even after a 38-day search failed to produce any evidence of its existence in the Yangtze River.
Goodbye to the Baiji
(12/14/2006) After a short illness spurred by pollution, overfishing, boat traffic, and obstructions like dams, the Baiji was declared 'functionally extinct' last night. As a species, the river dolphin found only in China's Yangtze River was 20 million years. The Baiji is survived by other river dolphins, all themselves threatened, in the Ganges, Indus, Amazon, Orinoco, and La Plata rivers. No memorial service will be held.
The Vaquita, the world's smallest cetacean, dives toward extinction
(12/10/2006) Accidental death in fishing nets is driving the world's smallest cetacean, the Vaquita (Phocoena sinus), towards extinction, according to a new study published in the current issue of Mammal Review, the official scientific periodical of the Mammal Society.
Chinese river dolphin nearly extinct says official
(12/03/2006) Xinhua, China's state news agency, reported that a 26-day search for the Baiji, or the Yangtze dolphin, found no dolphins. The Baiji is highly threatened by pollution, overfishing, and obstructions like dams.
How many whales are enough?
(11/30/2006) Iceland's decision to resume hunting endangered fin whales raises an important question: how many whales are enough to sustain a population? While conservionists will debate over the actual number using varying models and population studies, a new paper published in the journal Bioscience attempts to establish a new system for setting population targets for threatened species.
Whales share human brain cells
(11/27/2006) Whales share brain cells with humans according to a new study published online November 27, 2006 in The Anatomical Record, the official journal of the American Association of Anatomists. The research suggests that "certain cetaceans and hominids may have evolved side by side."
Grey whales missing from traditional feeding grounds
(10/23/2006) Researchers found few grey whales in their traditional feeding grounds in the North Pacific last summer according to a scientist at the University of Bath. Dr. William Megill, a professor of mechanical engineering with special interest in biomimetics at the University of Bath, said that the absence of the 17,000 grey whales from traditional summer feeding grounds in the North Pacific could be cause for concern, despite the species' recent removal from the endangered species list.
Dolphin Slaughter Resumes in Japan
(09/21/2006) As the annual dolphin drive hunts begin in the Japanese villages of Taiji and Futo, a consortium of scientists and zoo and aquarium professionals has launched a campaign to end the practices through public awareness and by appealing to the government of Japan to put an end to the hunts.
Ancient blue whale was a shark killer
(08/22/2006) A 25-million-year-old whale fossil from southeastern Australia suggests a curious origin for baleen whales. Presented at the at the Melbourne Museum last week, the fossil shows that earliest baleen whales were small, toothed and highly predatory creatures with enormous eyes -- virtually the opposite of the baleen whales we know today. These, like the blue whale and the humpback are gentle, toothless giants that feed on krill and other tiny organism.
Norwegian killer whales most toxic mammals in Arctic
(12/12/2005) Initial scientific results show Norwegian killer whales are the most toxic mammals in the Arctic, says WWF, the global conservation organization. Previous research awarded this dubious honour to the polar bear, but a new study shows that killer whales have even higher levels of PCBs, pesticides and a brominated flame retardant.
Underwater sound pollution threat to marine life says new report
(11/21/2005) New evidence shows that the rising level of intense underwater sound produced by oil and gas exploration, military sonar and other manmade sources poses a significant long-term threat to whales, dolphins, fish and other marine species, according to a report published today by the Natural Resources Defense Council (NRDC).
Whale uses fish as bait to catch seagulls then shares strategy with fellow orcas
(09/07/2005) An enterprising young killer whale at Marineland has figured out how to use fish as bait to catch seagulls -- and shared his strategy with his fellow whales.
Humpback whale tracked migrating between ocean basins
(08/18/2005) For the first time ever, a genetic study has followed a single humpback whale from one ocean basin to another, adding to traditional notions of the migratory patterns of these majestic marine mammals in the process, according to researchers from the Wildlife conservation Society (WCS), the American Museum of Natural History (AMNH), and New York University.
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