You know the feeling. It’s getting close to bedtime, you get sleepy, and you start yawning automatically. You may even find ...

Many scientists believe the red-eyed tree frog developed its vivid ... These iconic rain-forest amphibians sleep by day stuck to leaf-bottoms with their eyes closed and body markings covered.

There's just something about an Angel Frog's little butt. Discover more about the frog and why its butt has a devoted ...

The sound comes from Anilany karsticola, a newly discovered species of microhylid frog, barely longer than ... “This species was very active after rain in late afternoon and in the evening.

But what about other animals yawning? In the video above, a cute little rain frog looks ready for bed. It yawns big, but it’s not for the same reason as humans yawn. When a frog yawns ...