Gray tree frog (Hyla versicolor):
As an inhabitant of the eastern United States, the Gray tree frog is one of the smaller species of frogs, measuring in at an average length of 2 inches. As you could have guessed, they make their homes in trees, and rarely leave except to breed. As a nocturnal frog, the Gray tree frog is mostly solitary and gets its meals through the wanderings of bugs and insect. Similar to other frog species, only the male will croak the female remains silent. The females are also larger, longer and fatter in size.
The gray tree frog is a master of camouflage. It can change its colors depending on its surroundings, similar to a chameleon, but is most adept at changing from white to black. Even as a tadpole, the gray tree frog is known to be able to change its tail color to red when threatened. They are also able to freeze their body temperatures to -8 degrees, to survive harsh weather.
Gray Tree Frog