A study comparing the nutritional demands of killer whales with the caloric content of their prey has startling implications for the potential impact of these large predators on populations of other ...

KITTY HAWK, N.C. (WAVY) – A survey crew that has spent the past five years tracking whale locations just had their first orca sighting — off the coast of Kitty Hawk, North Carolina. According to a ...

Whale watchers in Madeira captured the astonishing moment orcas took down the deep-diving marine mammal. The predatory ...

Killer whales have been caught on video breaking off pieces of seaweed to rub and groom each other, scientists announced Monday, in what they said is the first evidence of marine mammals making their ...

Orcas have long been revered for their intelligence, adaptability, and group-hunting strategies. But one scientific review spanning two decades has revealed a little-known, yet intriguing behavior.

In a newly published study, researchers documented more than two dozen cases of orcas giving prey to humans. What’s behind this curious behavior? Photo from the Orca Research Trust In the fall of 2018 ...

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