News tagged with habitat

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Appeals court upholds designation of polar bear habitat

The U.S. Fish and Wildlife Service followed the law when it designated more than 187,000 square miles—an area larger than California—as critical habitat for threatened polar bears in Alaska marine waters and its northern ...

dateFeb 29, 2016 in Ecology
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Jays and crows act as ecosystem engineers

A forthcoming Review in The Condor: Ornithological Applications explores how oaks and pines depend on corvids, the group of birds that includes ravens, crows, and jays, to reproduce and spread—and how birds may be the key ...

dateFeb 03, 2016 in Ecology
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