Best Hyla
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The Gray Tree Frog (Hyla versicolor) is a North American species capable of surviving freezing temperatures by producing glycerol as a cryoprotectant, and is notable for being a cryptic tetraploid species.
The European Tree Frog (Hyla arborea) is a small bright-green arboreal frog found across Europe and western Asia, protected by law in many European nations.
A vibrantly colored treefrog (Hyla andersonii) endemic to New Jersey's Pine Barrens and a few disjunct populations in the Carolinas and Florida panhandle.
The American Green Tree Frog (Hyla cinerea) is a slender, bright-green species native to the southeastern United States and is the official state amphibian of both Georgia and Louisiana.
The largest native treefrog in the United States (Hyla gratiosa), found across the southeastern states and named for its loud, resonant bark-like advertisement call.
The Japanese Tree Frog (Dryophytes japonicus) is a small arboreal frog native to Japan, China, Korea, and Russia, notable for calling most actively during rainy periods.
A diploid North American treefrog (Hyla chrysoscelis) that is the sibling species of H. versicolor, distinguishable only by call frequency and chromosome count.
A rock-dwelling treefrog (Hyla arenicolor) native to desert canyons of the American Southwest and northern Mexico, its mottled gray skin camouflaging it against sandstone.
A small, highly variable treefrog (Hyla squirella) of the southeastern U.S. that produces a nasal, raspy call and rapidly changes color in response to temperature shifts.
A small southeastern U.S. treefrog (Hyla avivoca) named for its birdlike whistle call, inhabiting flooded swamp forests from Illinois south to the Gulf Coast.
A small southeastern U.S. treefrog (Hyla femoralis) identified by orange spots on its concealed thigh surfaces and a rapid, Morse code-like rapping call.
