Scientists have finally managed to record the ear-piercing screams that a frog in the Amazon rainforest makes to defend against predators. It’s the first reported case of the use of ultrasound ...

The first thing that stands out about the Surinam horned frog is its size. These rotund amphibians can grow to 8 inches in length and would cover a good-size tea saucer. They are found in ...

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 ...