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Declining Amphibian Populations



Northern leopard frog. Photographer: Mike Lannoo. Source:USGS

Amphibian Deformities

Malformed Frog Radiographic Images
Radiographic images of frogs with missing limbs and extra appendages.

Amphibians on the Decline

U.S. Frogs and Toads on the Decline
Information on declining frog and toad populations.

Tiger Salamander Images
Images of sick tiger salamanders from Cottonwood Lake Study Area, North Dakota.





Source: Images courtesy of U.S. Department of the Interior, U.S. Geological Survey, Reston, VA, USA.

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