Pig frog by Alex Slavenko

Detailed Description
Amphibians include salamanders, newts, caecilians, toads, and frogs, like this pig frog (Lithobates grylio).
Sources/Usage
CC BY-NC-SA 2.0 license, Creative Commons — Attribution-NonCommercial-ShareAlike 2.0 Generic — CC BY-NC-SA 2.0