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 ...

Two species of frog and two toads are native to the UK. So-called common frogs (Rana temporaria) and common toads (Bufo bufo) are widespread and often spotted in gardens. But sightings of these ...