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American bullfrog

Lithobates catesbeianus


Large tympanum, no dorsolateral folds; typically green coloration on snout.


Slow-moving streams, ponds, and lakes


Introduced from the Mississippi drainage, bullfrogs are one of the reasons for the decline of native amphibians in California.

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Jeff Dreier
Spotted by
Jeff Dreier

Alameda, California, USA

Spotted on Aug 9, 2010
Submitted on Mar 19, 2014

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