Researchers identified two ecologically distinct communities of transient killer whales along the West Coast, each with unique hunting behaviors, habitats, and social networks.

Dramatic video, filmed in waters off Seattle, shows the seal fleeing for its life as the hungry predators close in. Wildlife photographer Charvet Drucker was on a rented 20-foot boat near her home on ...

Orcas have long been revered for their intelligence, adaptability, and group-hunting strategies. But one scientific review spanning two decades has revealed a little-known, yet intriguing behavior.