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Encounters with humans from 2017 to 2021 killed hundreds of Steller sea lions and other marine mammals that swim in Alaska waters, along with dozens of Alaska whales, according to a new federal report.
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Researchers looking into the decline of Steller sea lions over the last decade noticed that the concentration of mercury levels in lion pups was increasing in some parts of the Aleutian Islands — but they didn’t know why. Now, a group of scientists from around the nation are working to solve that mystery with a research project called Aleutian Mercury Dynamics. The project’s goal is to create a timeline to see mercury levels in the Aleutian Islands over the last few thousand years.
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A Steller sea lion in poor health was sighted at Morris Cove in Unalaska over the weekend, prompting biologists to observe the adult male until it died…
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Scientists have finished another research season without solving the 40-year-old mystery of the Steller sea lion decline in the Aleutian Islands.But this…
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Counting Atka mackerel became really important, according to National Marine Fisheries Service Biologist Suzanne McDermott, when Steller sea lions were…
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Before Bogoslof volcano started erupting, it was a haven for endangered Steller sea lions, fur seals, and sea birds. But scientists did not know when and…
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New research could help wildlife managers better protect declining Steller sea lion populations. The study looks at why sea lions zero in on specific…
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The carcass of a Steller sea lion washed up this weekend in Unalaska's Morris Cove.The dead marine mammal was an adult male, almost eight feet long,…
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In an effort to figure out what’s behind the mysterious decline of Steller sea lions, scientists are trying out crowdsourcing for the first time. The…
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Alaska’s endangered Steller sea lion population continues its precipitous decline. The 2016 survey by the National Oceanic and Atmospheric Administration…