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Identification

Hyla versicolor (gray treefrog)

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Hyla chrysoscelis (Cope's gray treefrog)
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Image of: Hyla versicolor (gray treefrog), Hyla chrysoscelis (Cope's gray treefrog)
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Caption

This photo shows the two sister species of grey treefrogs. Hyla chrysoscelis is on the left and Hyla versicolor is on the right. The variation in color is common to both species, individuals of either species can range from green to grey. The difference in pupil size is an artifact of the lighting, both have similar pupil shape.

Contributors

James Harding external link (photographer, copyright holder, identification), Michigan State University


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University of Michigan Museum of Zoology National Science Foundation Citation: Myers, P., R. Espinosa, C. S. Parr, T. Jones, G. S. Hammond, and T. A. Dewey. 2006. The Animal Diversity Web (online). Accessed February 09, 2010 at http://animaldiversity.org.
Sponsored in part by the Interagency Education Research Initiative,
the Homeland Foundation and the University of Michigan Museum of Zoology.
This material is based upon work supported by the National Science Foundation under Grants DUE-0633095 and DRL-0628151.
The ADW Team gratefully acknowledges their support. Report Error — Comment
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