Its head is around the size of a big adult bullfrog, but is round and blunt-faced like a tadpole, with fishy tadpole lips rather than a frog mouth. How old the tadpole was or what caused its ...

Beelzebufo ampinga, the so-called "devil frog," may be the largest frog that ever lived. These beach-ball-size amphibians, now extinct, grew to 16 inches (41 centimeters) in length and weighed ...

Of all vertebrates, gray foam-nest tree frogs exhibit the most extreme form ... and synchronously beat their back legs to help make a big wonderful nest,” where they deposit their sperm.

The red tree frog (Litoria rubella) was thought to be a single species with the largest distribution of any Australian ...

Instead, the hollow interior fills with water and provides a home for new life to begin — via frog eggs. A new species of tree frog was discovered laying its eggs in the tiny bamboo shaft ...