ANTIBES, France -- In what they call a world first, researchers in Europe say they've taught an orca whale to successfully imitate a variety of sounds, including calls made by other animal species and ...

Orcas may join parrots and the other animals who can imitate human speech. A study examined a captive orca who is able to ...

A study from the University of Washington confirms what scientists have long speculated about how marine vessel noise interferes with whales. Female orcas with young calves avoid areas where boat ...

A U.S.-based research team has documented a rare glimpse of Bigg's killer whales engaging in some unusual behaviour, witnessing the marine mammals quietly stalking sea birds in shallow water.

This is the first time pack-ice killer whale vocalizations have been recorded. Pack-ice killer whales are highly social creatures, communicating through various vocalizations like pulsed calls and ...

A killer whale in Monterey Bay, Calif. A killer whale was spotted balancing a salmon on its head earlier this fall near the coastline in Washington state, surprising scientists and intriguing orca ...

SEATTLE — For more than a century, killer whales have been understood to be just one worldwide species, Orcinus orca, with many types. But now, after decades of work, scientists have determined the ...