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Cope's Gray Treefrog and Eastern Gray Treefrog

March 15, 2009 | 5:29 p.m. CDT
Cope's Gray Treefrog and Eastern Gray Treefrog
(Hyla chrysoscelis and Hyla versicolor)
Call: These two species are nearly identical in appearance and are best separated by their calls. Cope’s gray treefrog sounds like a buzzer, while the eastern gray treefrog has a birdlike, musical trill.
Approximate breeding call season: late April through June



RELATED STORIES: AUDIO: Identify toad and frog breeding calls

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