Aafbeilding:H gratiosa USGS.jpg

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H_gratiosa_USGS.jpg (17KB, MIME type: image/jpeg)


Barking Treefrog (Hyla gratiosa)

Source: http://cars.er.usgs.gov/herps/Frogs_and_Toads/H_gratiosa/h_gratiosa.html

Public domain This image is in the public domain because it contains materials that originally came from the United States Geological Survey, an agency of the United States Department of Interior. For more information, see the official USGS copyright policy

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