An artist's impression of both Notobatrachus degiustoi adults and tadpoles. The giant frogs lived during the Jurassic Period, alongside the dinosaurs (as depicted in the background.) An artist's ...

A newly discovered frog fossil represents the oldest tadpole ever found, and it looks remarkably like the tadpoles you’re probably familiar with except for one thing—it was a giant.

The Smoky Jungle Frog, native to Central and South America, lets out a shockingly human-like scream when threatened—a defense mechanism that startles predators and humans alike. [smoky jungle frog] [f ...

Frogs, like butterflies and salamanders, have what is called a "bi-phasic life cycle." They undergo metamorphosis to grow from their larval stage, as a non-reproductive tadpole that swims ...

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 ...

SANTIAGO, Dec 18 (Reuters) - A giant frog species that hopped alongside dinosaurs and is considered a "living fossil" is now losing ground in its native Chile as climate change and human ...