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

Biologists discovered killer whales and dolphins working together to hunt salmon, a behavior never before documented in this ...

Scientists have captured rare footage of killer whales and Pacific white-sided dolphins hunting together near the coast of ...

SEATTLE (AP) — A wildlife photographer out on a whale watching trip in waters off Seattle captured dramatic video and photos of a pod of killer whales hunting a seal that survived only by clambering ...

The apex predators, also known as orca, have been caught on camera for the first time hunting with Pacific white-sided dolphins in seas off British Columbia, Canada. The two iconic marine mammal ...

Learn why killer whales sometimes wear dead salmon on their heads, and what that might mean.