Researchers in Washington state are testing an array of hydrophones in Puget Sound to see if the devices can detect the presence of orcas and help ships cut their engines or steer clear of them. …
Biologists knew that orcas can take down some big prey. What they didn’t know was if they could take down the biggest prey. There were stories of orcas preying on blue whales, the largest animal …
Researchers are worried about the future of Chinook salmon in the Columbia River basin, and their decline could threaten a range of other wildlife, from eagles to orcas. Chinook spawning in the Middle Fork of …
A Washington state task force voted to temporarily ban killer whale-watching boat tours to help save endangered Northwest orcas (Orcinus orca). The team, which suggests a three- to five-year suspension of the tours, said the …
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