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This species is virtually indistinguishable from Cope's gray treefrog, the only readily noticeable difference being that Cope's Gray treefrog has a shorter, faster call. This varies depending on the temperature, however, as the call rates of both gray treefrogs are temperature dependent.
Cope's gray treefrog [2] (Dryophytes chrysoscelis) is a species of treefrog found in the United States and Canada. It is almost indistinguishable from the gray treefrog (Dryophytes versicolor), and shares much of its geographic range. Both species are variable in color, mottled gray to gray-green, resembling the bark of trees.
"Mating Call of the Gray Treefrog (Hyla chrysoscelis)" Dryophytes chrysoscelis: 0:32: 31. "Mating Call of the Gray Treefrog (Hyla chrysoscelis)" Dryophytes chrysoscelis: 0:23: 32. "Mating Call of the Canyon Treefrog (Hyla arenicolor)" Dryophytes arenicolor: 0:31: 33. "Mating Call of the California Treefrog (Hyla cadaverina)" Pseudacris ...
Canyon tree frog: Dryophytes avivocus (Viosca, 1928) Bird-voiced treefrog: Dryophytes bocourti (Mocquard, 1899) Bocourt's tree frog: Dryophytes chrysoscelis (Cope, 1880) Cope's gray treefrog: Dryophytes cinereus (Schneider, 1799) American green tree frog: Dryophytes euphorbiaceus (Günther, 1858) Southern highland tree frog: Dryophytes eximius ...
The cre-ek call can be quite loud and can thus be heard from very far away. Males also produce a "dry land call", a long cre-ee-ee-eeek, that can be heard anytime in the year except during the coldest and driest periods. Pacific tree frogs are the most commonly heard frogs along much of the West Coast of the United States.
North America has many species of the family Hylidae, including the gray tree frog (Hyla versicolor) and the American green tree frog (H. cinerea). The spring peeper ( Pseudacris crucifer ) is also widespread in the eastern United States and is commonly heard on spring and summer evenings.
Cope's gray treefrog: Dryophytes chrysoscelis (Cope, 1880) Species of special concern Usually indistinguishable from Dryophytes versicolor without DNA analysis or analysis of mating call [7] Sometimes placed in the genus Hyla. Southeastern and southwestern counties Gray treefrog: Dryophytes versicolor (Le Conte, 1825) Abundant
The bird-voiced tree frog is a small species growing to about 5 cm (2.0 in) long. It is usually a dappled, pale grey or brown on its dorsal surface, but its color changes with the temperature and its level of activity, and may be more or less pale green. It often has a dark brown cross-shaped mark on its back and further dark areas on its limbs.