This shared activity, which was captured using drone footage, is notable because it is the first time scientists have observed orcas using tools for the benefit of mutual grooming. How much do you ...

T-46, an orca active off the Pacific Northwest, is presumed dead. Public outcry over her pod's capture in 1976 led Washington State to ban killer whale captures.

In 1987, killer whales in Puget Sound donned salmon “hats,” carrying dead fish on their heads. Now, a photo of an orca has observers wondering if the trend has returned.

Within minutes, five orcas surrounded them, curiously circling the jet ski and boat for about half an hour. The pod included ...

An orca named L82 Kasatka swims in front of Mt. Rainier, with a strand of eelgrass trailing from her dorsal fin. She belongs to the Southern Resident orca population, a critically endangered group ...

Normally the orca pods here fished alone, but on this day humpbacks and fins were swimming among the orcas and eating the herring too. Around us dorsal fins of various shapes and hues broke the water.

Dubbed “Starboard” for his bent-to-the-right dorsal fin, this orca has been observed preying on white sharks in the area with its travel partner, “Port,” for years.

It was an orca-versus-dolphin matchup, and the dolphin didn’t stand a chance. In coastal waters near Chile in 2023, a massive female killer whale walloped the much smaller dolphin, sending it ...

In 1987, killer whales in Puget Sound donned salmon “hats,” carrying dead fish on their heads. Now, a photo of an orca has observers wondering if the trend has returned.