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 ...

This video shows a red-eyed tree frog resting on a moss-covered branch inside a tropical rainforest in Costa Rica. The frog’s ...

This video shows a close-up view of a colorful red-eyed tree frog resting on a moss-covered branch in the tropical rainforest of Costa Rica. The frog has bright green skin, striking red eyes, and ...

A new study from the Smithsonian Tropical Research Institute (STRI) shows that red-eyed treefrog embryos hatch early when exposed to high ammonia levels — an environmental cue that it’s too hot and ...

Frogs are a critical part of the food web and keep ecosystems healthy. They're also some of nature's weirdest and most ...