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 ...

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 ...

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 red-eyed tree frog, a domestic goat, a western lowland gorilla, and a human This story appears in the February 2016 issue of National Geographic magazine. “If you ask people what animal eyes ...

Costa Rica’s highways are packed with animal lovers searching for a glimpse of a sloth or red-eyed tree frog. Too many of the nation’s iconic animals are killed by vehicle strikes on the busy roads.

The 1-inch long animal, with piercing red eyes, turned out to be a new species. Theloderma woltersi, or the Wolters bug-eyed tree frog, is different from other tree frogs found along the Vietnam ...

There’s no missing this striking amphibian, with its big bulging eyes that have an alien-like quality. The red-eyed green tree frog (Litoria chloris) is one of the most recognised and ...