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 ...

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

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 ...

There are two species of killer whale found in the Salish Sea — they are Bigg’s killer whales, the marine mammal-eaters, and southern resident killer whales, that eat salmon. The two subspecies could ...

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 ...

The Orca Behavior Institute says it’s “thrilled” to have seen a southern resident killer whale superpod gather in the waters ...

A U.S.-based research team has documented a rare glimpse of Bigg's killer whales engaging in some unusual behaviour, ...

ADMIRALTY INLET, Wash. — For the first time this fall, members of the endangered Southern Resident orca population were spotted in Puget Sound. The sighting was highly anticipated by researchers and ...

Once again, an endangered orca in Washington state has been seen carrying her dead newborn calf in what appears to be an effort to revive it. Researchers with the Center for Whale Research, Sea Doc ...