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Agalychnis callidryas
As its name suggests, the red-eyed tree frog has red eyes with vertically narrowed pupils. It has a vibrant green body with yellow and blue vertically striped sides. Its webbed feet and toes are orange or red. The skin on the red-eyed tree frog's stomach is soft and fragile skin, whereas the back is thicker and rougher. Red-eyed tree frogs have sticky pads on its toes. Phyllomedusine tree frogs are arboreal, meaning they spend a majority of their lives in trees; they are excellent jumpers. Red-eyed tree frogs are not poisonous and rely on camouflage to protect themselves. During the day, they remain motionless, cover their blue sides with their back legs, tuck their bright feet under their stomachs, and shut their red eyes. Thus they appear almost completely green, and well hidden among the foliage. The large red eyes not only allow identification, but also serve as a defensive adaptation through deimatic behaviour. When a red-eyed tree frog detects an approaching predator, it abruptly opens its eyes and stares at the predator. The sudden appearance of the red eyes may startle the predator, giving the frog a chance to flee.
Red-eyed tree frogs inhabit areas near rivers and ponds in rainforests and humid lowlands on the Atlantic slopes from southern Veracruz and northern Oaxaca in Mexico, to central Panama and northern Colombia. They also live on the Pacific slope in southwestern Nicaragua and southwestern Costa Rica to eastern Panama.[12] The optimum temperature for red-eyed tree frogs is 75-85 degrees Fahrenheit in the daytime, 66-77 degrees Fahrenheit at night.
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