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 ...

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

Avian influenza is killing tens of thousands of seals and sea lions in different corners of the world, disrupting ecosystems and flummoxing scientists who don't see a clear way to slow the devastating ...

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.

Lauren Eckert has previously been affiliated with Raincoast Conservation Foundation. This research was supported by a Canada Vanier Graduate Scholarship and a Raincoast Conservation Fellowship.

A minke whale that was swimming in Long Beach Harbor earlier this month died from domoic acid poisoning associated with a toxic algal bloom that has stricken many other sea creatures, according to ...

A U.S.-based research team has documented a rare glimpse of Bigg's killer whales engaging in some unusual behaviour, ...

When scientists compared what California sea lions eat in the Channel Islands (U.S.) and the Gulf of California (Mexico), they expected to find a clear explanation for why populations were booming in ...

Primates, birds, and elephants are all known to make tools, but examples of tool use among marine animals are much more limited. Reporting in the Cell Press journal Current Biology on June 23, a team ...