DAVID AUBREY / SCIENCE PHOTO LIBRARY DAVID AUBREY / SCIENCE PHOTO LIBRARY
Red-eyed tree frog (Agalychnis callidryas) clinging to a branch. The red eyes of this frog, which is native to the jungles of Central America, are thought to be used to startle potential predators. It lives off a diet of small invertebrates, which it finds mainly in the trees. Its long thin orange toes have adapted pads used to provide grip on trees and leaves. During the day it hides, clinging to the underside of leaves and only emerging to feed at night. The females, which are larger than males, can reach a length of 7 centimetres.
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