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 ...

The eyes of a Cuban rock iguana, a gargoyle gecko, a blue-eyed black lemur, a southern ground hornbill, a red-eyed tree frog, a domestic goat, a western lowland gorilla, and a human This story ...