WNS spread in North America

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.

Details

Date Taken:

Location Taken: US

Credits

USGS, USFWS, Bat Conservation International