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 ...