Humans aren’t the only mammals with a lot to say. The region’s orcas are frequently communicating beneath the water’s surface, using a rich vocabulary of sounds. Unlike the endangered Southern ...

Orcas display a variety of skills, like coordinated hunting and regional ‘dialects.’ They have also revealed several interesting habits, like grooming each other with kelp and offering food to humans.

In a day of sadness and surprise, researchers on Puget Sound on Tuesday found J61, the new calf born to mother orca Tahlequah, had not survived—and that a new calf had also been born to J pod. Lolita, ...

Pack-ice killer whales are highly social creatures, communicating through various vocalizations like pulsed calls and whistles. For the first time, researchers have recorded these vocalizations and ...