Upper Midwest Environmental Sciences Center

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Amphibian Research and Monitoring Initiative, Midwest Region

eastern gray treefrog
(Hyla versicolor)

Species per monitoring area	Frog calls .wav file .mp3 file
ARMI National Atlas for Amphibian Distributions - eastern gray treefrog USGS Patuxent Wildlife Research Center

May 7, 2004
Page Last Modified: April 3, 2018