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WNS spread in North America

By Communications and Publishing
WNS spread in North America - little brown bat WNS spread in North America - thumbnail WNS spread in North America - animated
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Detailed Description

Annual change in winter colony size of little brown bats (2000 – 2019) as white-nose syndrome spread across the eastern U.S. and Canada. Shrinking red circles indicate bat colony size; expanding gray shading depicts WNS-positive counties by detection year.

Sources/Usage

Public Domain.