Scientists have documented what might be the first case of friendly interactions between killer whales and smaller cetaceans.

Researchers focused on the Salish Sea have made an intriguing discovery about Orcas. These whales, which have continually ...

Behavioral ecologist Michael Weiss was browsing through new drone footage of the orca pods he studies in the Salish Sea when he spotted one of the killer whales carrying something green in its mouth ...

The more we learn about orcas, the more remarkable they are. These giant dolphins are the ocean's true apex predator, preying ...

The orcas clearly liked this activity because different whales were recorded preparing the stems eight times and rolling the ...

The more we learn about orcas, the more remarkable they are. These giant dolphins are the oceans true apex predator, preying ...

Amid a criminal probe for a string of dolphin deaths, this month Gulf World Marine Park transferred its seven bottlenose dolphins and four rough-toothed dolphins to three separate facilities in ...

PALS on a fishing trip were stunned when they spotted what appeared to be a pod of killer whales in the Channel. David Hilton ...

And killer whale youngsters are fond of playing kelp keep-away. But what the southern residents are doing with the kelp ...

The whales use quick body movements to tear pieces of bull kelp for use as tools, perhaps the first known toolmaking by a marine mammal.