Orca female observed caring for baby pilot whale

A small team of oceanographers from the West Iceland Nature Research Center, Orca Guardians Iceland and Dalhousie University, has observed an adult female orca swimming with and caring for a young long-finned pilot whale. ...

PCB contamination in Icelandic orcas: A matter of diet

A new study from McGill University suggests that some Icelandic killer whales have very high concentrations of PCBs (polychlorinated biphenyls) in their blubber. But it seems that other orcas from the same population have ...

Study finds white sharks flee feeding areas when orcas present

New research from Monterey Bay Aquarium and partner institutions published today in Nature Scientific Reports challenges the notion that great white sharks are the most formidable predators in the ocean. The study "Killer ...

Scientists ID another possible threat to orcas: pink salmon

Over the years, scientists have identified dams, pollution and vessel noise as causes of the troubling decline of the Pacific Northwest's resident killer whales. Now, they may have found a new and more surprising culprit: ...

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