Pig frogs are named for their low grunting sound, which sounds like a pig’s “oink.” They mostly call to attract female frogs, ...

Pepe the Frog—what started as an innocent cartoon character has evolved into a complex symbol of internet culture.

The green-eyed tree frog has adapted its appearance to blend in with the moss-covered rain forests of Queensland, Australia. The frogs' coloration and markings vary with their specific habitat ...

The frog is also threatened by introduced species: Bullfrogs and green frogs compete with Oregon spotted frogs for food, while fish introduced for sport fishing may also compete for prey — or prey on ...

This technique, called startle coloration, may give a bird or snake pause, offering a precious instant for the frog to spring to safety. Their neon-green bodies may play a similar role in ...