Blue whale calves enter the world already the size of a bus, yet they still face danger. A hungry killer whale sees a slow, inexperienced target guarded by a single adult. However, orcas cannot reach ...

From sea turtles to Hawaiian hawks, these rare animals highlight the unique wildlife of Hawaii and where travelers may spot ...

In 2021 and 2023, hundreds of dolphins were stranded in shallow waters in San Antonio Bay in northern Patagonia. Some died, ...

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

Two groups of killer whales are engaging in a terrifying, bloody cannibalistic war beneath the ocean’s surface, where gangs ...

Hunting killer whales always eat the animals they kill, typically leaving behind only a few low-energy parts, such as fins. "Also, if it was just aggression, they wouldn't bother to tear off the fin," ...

WARNING, GRAPHIC CONTENT: The footage shows several orcas taking turns with the carcass, highlighting their cooperative ...

A dolphin murder mystery is playing out on Patagonia’s shores: multiple mass strandings, with scores of dolphins washing up for no easily discernable reason. In one such event in 2021, for example, 52 ...

Orcas don’t have any natural predators, so how did this happen? The tooth marks, it turned out, were distinctive – they were from an orca. The DNA analysis of the fins that fo ...

Matthew I. Thompson receives funding from the Social Sciences and Humanities Research Council of Canada. University of Regina provides funding as a member of The Conversation CA-FR. University of ...

Researchers suggest that predation by a subspecies called Bigg's orcas might explain why members of another one, called ...