Scientists found shark teeth inside fossil whale skulls, revealing how sharks fed on whales millions of years ago.

On March 6, three orcas showed up in Canada’s Vancouver Harbour, later heading south to Seattle, Tacoma and Olympia, that ...

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Marine life researchers are tracking a mysterious pod of orcas recently spotted moving through the Salish Sea.

Getting close to a stingray is risky, even for an accomplished predator such as an orca. They are not called stingrays for ...

Historically, killer whale diet research relied on surface sampling of prey fragments, usually scales, helping researchers to determine primarily salmon species. Newer techniques that analyze DNA in ...

Two severed fins bearing the tooth marks of other killer whales have raised a troubling question: are some orcas hunting ...

Common names for animals are often easier to remember than their Latin names, but they can often lead to confusion. Here are 10 animals with some very misleading names.

The discovery came as a surprise, because the two species usually prefer to avoid each other and keep a safe distance.

Fish-eating killer whales in southern Alaska have a diverse, seasonally changing diet featuring salmon and groundfish, according to a recently published study in the journal Ecosphere. The types of ...

Are other killer whales eating Washington’s southern resident Orcas? It’s long been thought that the Southern Resident orcas that live in our region have no predators, but a new article in Live ...

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