A study comparing the nutritional demands of killer whales with the caloric content of their prey has startling implications for the potential impact of these large predators on populations of other ...

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.

Salmon is one of my favorite fish to eat. I like it grilled on the barbecue and smoked. Lots of other animals rely on salmon for food, like Alaskan brown bears and sea lions. But the biggest of the ...

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

Onlookers got the chance to see sea creatures hunt sea lions in California, described as an “astounding” moment. Watchers were in the bay Nov. 24 when they saw three killer whale pods, according to a ...

A killer whale has become a first-time mom after a peachy-orange calf was spotted swimming with her off Washington, a whale watching group said. The baby orca was discovered March 20 in the Salish Sea ...