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Gray Treefrogs (Green and Brown)
Hyla versicolor
46.5839, -87.3869
Field Notes
Description:
In general, Gray Treefrogs measure 1.25 to 2 inches (3-5cm) in length and have warty skin with prominent adhesive pads on their fingers and toes. Their color can vary from green to light green-gray, gray, brown or dark brown. Perhaps the most striking feature of this frog is its ability to change color to match its environment (metachrosis) - a process which usually requires about half an hour.
Habitat:
Marshland Trail
Notes:
A interesting fact, according to the University of Michigan's BioKids, http://www.biokids.umich.edu/critters/Hyla_versicolor/, In the winter, Eastern Gray Treefrogs bury themselves beneath logs, leaves and dirt. About 40% of their body can freeze during the winter. They keep their blood stream from freezing by producing an antifreeze-like fluid called glycerol. The rest of their body fluids usually become frozen during hibernation.
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