Fish-eating killer whales in southern Alaska have a diverse, seasonally changing diet featuring salmon and groundfish, ...

A long-term study shows southern Alaska killer whales switch between salmon species and also eat groundfish as seasons and ...

A long-term study using DNA from whale scat has revealed surprising complexity in the diets of southern Alaska’s fish-eating killer whales.

Have you ever considered the social life of the killer whale? Josh McInnes is a marine ecologist. He's spent over a decade studying orcas - their habits, their diets and quirks. What bar do they go to ...

Orcas are among the ocean’s top predators, yet there is only one well-documented attack on a human in the wild: in 1972, a surfer was bitten – probably because he was mistaken for a seal – but ...

Learn about the fatal encounters between two groups of killer whales, bringing the idea of whale cannibalism into question.

Rising temperatures and increased human activity in the North Atlantic Ocean have triggered “abrupt changes” in marine ecosystems, particularly for whales. A new study published in Frontiers in Marine ...