The moor frog is famous for its rare transformation during mating season when the male turns bright blue. Found in European wetlands, this species adds a splash of color to the calm ponds of spring.

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 ...

PORTLAND, Ore. — The frogs are getting ready for the new season by growing their summer legs. KATU photojournalist Mike Warner took photos of these frogs near his home. June is when tadpoles start ...

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 ...

Tadpoles are to frogs as oranges are to apples. They are so very different, University of Cincinnati Professor Daniel Buchholz said. In his biology lab, he and his students are using a National ...