The Kratt Brothers are always ready for an adventure — especially when they visit the eastern United States to learn about the American bullfrog. Let the learning leap from the screen and into your ...

A 161 million-year-old fossil, linked to a line of extinct frog-like amphibians, is the oldest tadpole ever found. By Asher Elbein The metamorphosis of a frog from baby to adult is one of nature’s ...

An artist depicts the tadpole and frog individuals of the Notobatrachus degiustoi species. The oldest known tadpole fossil, which belongs to this species, was found in the Patagonia region of ...

New research shows that juvenile northern red-legged frogs that have experienced climate-related stress as tadpoles are less likely to move on land, putting their survival at risk. New Oregon State ...

Meet the lemur leaf frog! These attractive amphibians — best known for their big, beautiful eyes — are critically endangered. The good news? Reptile Discovery Center keepers at the Smithsonian’s ...

Understand that all animals have a life cycle that includes being born, developing into an adult, reproducing, and eventually dying Understand that the details of life cycles vary from one organism to ...

The word ‘metamorphosis’ comes from the Greek words ‘meta’ meaning change, ‘morph’ which refers to shape, and ‘osis’ meaning a process. Metamorphosis is the process of changing the shape of the body.

CORVALLIS, Ore. - New Oregon State University research shows that juvenile northern red-legged frogs that have experienced climate-related stress as tadpoles are less likely to move on land, putting ...