Red-eyed tree frog. Photo by Rhett Butler. In recognition of Amphibian Ark winning mongabay.com’s 2011 conservation award, our pictures of the day this week will focus on amphibians. The red-eyed tree ...

Red-eyed tree frog. Photo by Rhett Butler (2011). The red-eyed tree frog (Agalychnis callidryas) is one of the most colorful and best-known tree frogs (it is often used in advertisements). The ...

Even as little embryos in eggs, red-eyed tree frogs are totally badass. Researchers have discovered that when the embryos are attacked by a hungry predator, they can wiggle their way out of their eggs ...

Discover the red-eyed tree frog's unique nictitating membrane and its role in survival for this Central America native. The red-eyed tree frog, as its name implies, has some pretty striking orbs. But ...

The red-eyed tree frog has become one of Costa Rica’s most iconic creatures, admired for its vibrant colors and widespread presence across the country. This frog, known for its striking red eyes, ...

Red-eyed tree frogs are famous for their striking appearance, but their real talent lies in staying hidden. In this episode, we explore how these vibrant amphibians use clever camouflage and sudden ...

Female red-eyed tree frogs are more than twice as likely to select a mate if they can feel the vibrations of their call instead of only hearing it. These small, bright-green frogs (Agalychnis ...

On the foothills of the Andes in central Peru, a brilliantly colored frog lives out a fractured fairy tale. Once upon a time—specifically, one evening in November 2014—biologist Germán Chávez heard a ...

Squatting by a swampy pond edge, scientist Brad Hollingsworth retrieves a small recording device, its memory card holding 18 hours of sound. Back at the San Diego Natural History Museum, the ...