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

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

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 ...

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 ...

One of the cutest butts in the natural world undoubtedly belongs to the desert rain frog. It’s small, saggy, and looks like Hank Hill‘s bottom in “King of the Hill.” There’s just ...