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Washington coast avian flu outbreak devastated Caspian terns, jumped to seals

Washington coast avian flu outbreak devastated Caspian terns, jumped to seals

The avian flu killed 1,101 adult Caspian terns and 520 chicks in 2023 in a large breeding colony on Rat Island in Washington state. Researchers estimate that as much as 10%–14% of terns in the entire Pacific flyway have been lost to the virus. Credit: Scott Pearson, Washington Department of Fish & Wildlife An epidemiological … Read more