Many scientists believe the red-eyed tree frog developed its vivid scarlet peepers ... webbed orange feet and bright blue-and-yellow flanks. This technique, called startle coloration, may give ...

Red-eyed tree frogs have bright green bodies, white bellies and throats, blue sides with white borders, and bright red or orange feet ...

or Wei’s tree frog. Photo from Shize Li via Liu, Peng, Wang, Feng, Shen, Li, Chen, Su and Tang (2025) The new species was identified by its body size and proportions, eyes, coloring, skin ...