Many scientists believe the red-eyed tree frog developed its vivid scarlet peepers to shock predators into at least briefly questioning their meal choice. These iconic rain-forest amphibians sleep ...

Blue jeans poison dart frogs cannot be handled since their skin—not made of denim—is extremely toxic. Beverly Houwing, Costa Rica, 2020. There’s a good chance that you’ll ...

A beloved symbol of biodiversity, the red-eyed tree frog, shown here in Panama, has evolved a flexible strategy for survival. Christian Ziegler Karen Warkentin, wearing tall olive-green rubber ...

Image credit: shutterstock Surviving on a diet of small insects and moths, the skin glands of the red-eyed green tree frog contain a variety of peptides or small proteins called caerins. Of great ...