The U.S. House of Representatives’ Committee on Natural Resources spent nearly two and a half hours Wednesday debating the long-standing issue of the Columbia River sea lions, who are known to feast ...

PORTLAND, Ore. (AP) — An effort to use a fake, life-sized orca to scare off hundreds of sea lions crowding docks off the Oregon coast ended, at least temporarily, Thursday night with the fiberglass ...

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

PORTLAND, Ore. (AP) — When a 32-foot replica killer whale buzzed through the water to scare off hundreds of sea lions piled on Oregon docks, onlookers cheered. And then the dummy orca went belly-up.