Northern Resident killer whales along the Pacific coast are suppressing their own calls and trailing Pacific white-sided ...

When researchers from the University of British Columbia set out to film the solitary hunting habits of Northern resident killer whales, they expected to see quiet and solitary predators at work.

Researchers say the behavior has never before been observed in the population. Watch dolphins and killer whales hunt together.

Credit: University of British Columbia (A. Trites)/Dalhousie University (S. Fortune)/Hakai Institute (K. Holmes)/Leibniz Institute for Zoo and Wildlife Research (X. Cheng) Nature can be brutal. But ...

On multiple occasions, the orcas would change course in the presence of dolphins, following them as they foraged and eavesdropping on their echolocation calls to find the Chinook salmon. The dolphins, ...

Orcas are renowned hunters. Now, they have surprised scientists with an unexpected twist — possibly getting help from dolphins. In the waters off British Columbia, marine ecologist Sarah Fortune and ...

With all the splashing, it was hard to tell what was happening under water. As the orcas surfaced to take a breath, dolphins were darting around their heads, but the water was so murky that the ...

What would you do if you were a hungry Pacific white-sided dolphin, salivating at the idea of sampling some salmon but resigned to the fact that the fish is too large to capture and swallow whole? You ...