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The state of amphibians in the United States

Evidence leading us to conclude that amphibians are declining, along with explanatory factors in the environment and notes on conservation.

by Muths, Erin L.; Adams, Michael J.; Grant, Evan H. C.; Miller, David A.; Corn, P. Stephen; and Ball, Lianne C.
U.S. Geological Survey Fact Sheet 2012-3092
Related topics:
Amphibians, Biodiversity, Herpetology, Interagency programs
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