News tagged with killer whales
Related topics: marine mammal
How smart are killer whales? Orcas have 2nd-biggest brains of all marine mammals
Neuroscientist Lori Marino and a team of researchers explored the brain of a dead killer whale with an MRI and found an astounding potential for intelligence.
Mar 08, 2010 |
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Giant predatory whale named for 'Moby Dick' author
(AP) -- Scientists have discovered an ancient whale whose bite ripped huge chunks of flesh out of other whales about 12 million years ago - and they've named it after the author of "Moby Dick."
Other Sciences / Archaeology & Fossils
Jun 30, 2010 |
4.9 / 5 (11) |
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Killer whales migrate, study finds, but why?
Some killer whales, a study published Wednesday shows for the first time, wander nearly 10,000 kilometres (6,200 miles) from Antarctica's Southern Ocean into tropical waters -- but not to feed or breed.
Oct 25, 2011 |
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Researcher finds missing link between ancient toothed whales and modern baleen whales
(PhysOrg.com) -- Erich Fitzgerald, an Australian paleontologist, believes he has found the missing link between ancient toothed whales that caught and ate fish and modern baleen whales that eat by sucking ...
Aug 18, 2011 |
4.9 / 5 (8) |
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Albatross camera reveals fascinating feeding interaction with killer whale
Scientists from British Antarctic Survey, National Institute of Polar Research, Tokyo, and Hokkaido University, Japan, have recorded the first observations of how albatrosses feed alongside marine mammals ...
Oct 07, 2009 |
4.9 / 5 (7) |
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In tiny 'Tuk,' they man climate's front line
(AP) -- Caught between rising seas and land melting beneath their mukluk-shod feet, the villagers of Tuktoyaktuk are doing what anyone would do on this windy Arctic coastline. They're building windmills.
Sep 07, 2009 |
3.2 / 5 (9) |
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Meat eating led to earlier weaning, helped humans spread across globe
When early humans became carnivores, their higher-quality diet allowed mothers to wean babies earlier and have more children, with potentially profound effects on population dynamics and the course of human evolution, according ...
Apr 18, 2012 |
4.2 / 5 (6) |
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Killer whales and the mystery of human menopause
The evolutionary mystery of menopause is a step closer to being solved thanks to research on killer whales.
Jul 01, 2010 |
4.7 / 5 (3) |
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California water plan aims to save Puget Sound orcas
A plan to restore salmon runs on California's Sacramento River also could help revive killer whale populations 700 miles to the north in Puget Sound, as federal scientists struggle to protect endangered species in a complex ...
Jul 05, 2009 |
4.5 / 5 (2) |
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Court to decide if SeaWorld whales are illegal 'slaves'
A California federal court is to decide for the first time in US history whether amusement park animals are protected by the same constitutional rights as humans.
Feb 08, 2012 |
2.3 / 5 (3) |
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Older killer whales make the best mothers
Killer whales (Orcinus orca) nearing the menopause may be more successful in rearing their young. New research published in BioMed Central's open access journal Frontiers in Zoology shows that estimated survival rates for cal ...
Biology /
Feb 03, 2009 |
5 / 5 (1) |
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Zoning the ocean may help endangered whales to recover
Scientists in Scotland, Canada and the US have proposed a new method to identify priority areas for whale conservation. The team's findings, published in Animal Conservation, suggest that even small protected areas, identi ...
Dec 16, 2009 |
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Genomic Analysis Indicates Mulitples Species of Killer Whale
In a report published today in the journal Genome Research, scientists report finding strong genetic evidence supporting the theory there are several species of killer whales (Orcinus orca, also known as orca ...
Apr 22, 2010 |
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Juvenile predation preventing Steller sea lion recovery
A new study suggests that the impact of predation on juvenile Steller sea lions in the Gulf of Alaska has been significantly underestimated, creating a "productivity pit" from which their population will have ...
Jan 18, 2012 |
5 / 5 (1) |
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Iconic marine mammals are 'swimming in sick seas' of terrestrial pathogens: researchers
(PhysOrg.com) -- Parasites and pathogens infecting humans, pets and farm animals are increasingly being detected in marine mammals such as sea otters, porpoises, harbour seals and killer whales along the Pacific ...
Feb 20, 2012 |
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