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 ...

A two-kilometer fiber-optic cable now resting on the seafloor off the San Juan Islands could revolutionize how scientists track and protect endangered orcas, offering what researchers describe as ...

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.