Captured off the coast of San Diego, the astonishing video pictured above captures the moment that a dolphin is punched on the chin by a killer whale. The dolphin rises above the surface, but the orca ...

Add Yahoo as a preferred source to see more of our stories on Google. Researchers have observed dolphins and killer whales hunting together for the first time as part of a new study released on ...

Researchers have observed killer whales teaming up with dolphins to hunt salmon and sharing the spoils for the first time, raising questions about their intelligence and social lives. In recent years, ...

HALIFAX — Scientists have found evidence that two unlikely collaborators — killer whales and dolphins — may be helping each other find and feast on salmon off the coast of British Columbia. Sarah ...

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 ...

In the waters off British Columbia, an unusual partnership unfolds. Resident killer whales trail Pacific white-sided dolphins to hunt Chinook salmon, and may even share fish scraps with them, a new ...

Members of the marine mammal rescue group Dolphins Plus Marine Mammal Responder walk with a Pygmy killer whale that was found stranded off the beach at Long Key State Park in the Florida Keys on ...