Red-eyed tree frogs, despite their conspicuous coloration, are not venomous. They are found in tropical lowlands from southern Mexico, throughout Central America, and in northern South America.

They look cuddly, but red-eyed treefrogs have a secret dark side. When Michael Caldwell, Smithsonian postdoctoral fellow, filmed the frogs under infrared light he saw a curious behavior: they ...

Red-eyed tree frogs spend most of their time trying to blend in. During they day, they stay tucked in the undersides of leaves, trying to catch some sleep.

The red-eyed tree frog also sometimes cannibalizes smaller frogs — a habit that’s shared with invasive species like the Cuban and Japanese tree frogs.

Red-eyed tree frogs' striking colour scheme is a defence mechanism against predators. "If you weren't so slimy, this would be easier" (Image: Caters News Agency) Article continues below.

However, this red-eyed tree frog, photographed by a holidaymaker in Costa Rica, shows a more adventurous side in these pictures. Taken close to the El Arenal volcano in the Guanacaste province, ...

These red-eyed tree frogs in Panama have been recorded shaking their behinds to send a message. This shaking, known as tremulation, is a form of communication between male tree frogs.

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 ...

But red-eyed tree frogs benefit from a design upgrade. By concentrating these cells on the embryo’s body, the embryos avoid leaking out enzymes slowly over a long time period.

Red-eyed tree frog hatchlings were dodging hungry snakes a long time before Warkentin started studying the phenomenon 20 years ago. “People had not thought of eggs as having the possibility to ...

About 89 percent of the frogs’ red blood cells had packed themselves into that organ. That made sense: The liver, which filters blood, is a logical destination for red blood cells, he said.