Imagine if you could stick out your tongue and lick your belly button. Turns out that would be an easy feat for a frog if they actually had belly buttons. A frog's tongue is one-third of its body ...

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 ...

This is the main reason over half of all frog species are in danger of extinction.