It has already been viewed more than half a million times. The animal puffs itself up to ward off predators, but its tough guy act may fall flat when he opens his mouth. The frogs are found mostly in ...

The Namaqua Rain Frog (Breviceps namaquensis) is able to puff up its body to intimidate predators, but its call is less intimidating than adorable. In its inflated, agitated state, a passing dog might ...

Presented with an image of the Namaqua rain frog's angry face, you might think it was one tough frog. The spotted frog from South Africa puffs up into a ball and stands on its tiny legs to defend ...

UNDATED (CNN) -- It's being called the "world's cutest frog." And though you might not want to kiss it, it sure will catch your ear. Maybe this is what it sounds like when a frog has a frog in its ...

IFLScience needs the contact information you provide to us to contact you about our products and services. You may unsubscribe from these communications at any time.

Most frogs are known for deep croaks or chirps. This one breaks every expectation. Its squeaky sound is high-pitched and almost mechanical. The noise helps it avoid predators by sounding unfamiliar.

You probably won’t want to kiss this frog, but it will catch your ear. CNN’s Jeanne Moos reports on nature’s squeaky toy.