At about a half foot (16 centimeters) long, the tadpole is a younger version of an extinct giant frog. “It's starting to help narrow the timeframe in which a frog becomes a frog,” said Ben ...

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 ...

A beloved symbol of biodiversity, the red-eyed tree frog ... A giant blue morpho butterfly flits by, its iridescent wings a shocking splash of electric blue against the lush green forest.