Amphibians are cold-blooded animals that can live both in the water and on land. When we think of amphibians, frogs and toads instantly jump to mind. Usually, we think of frogs as being quite small.

African bullfrogs (Pyxicephalus adspersus) are large frogs that live across sub-Saharan Africa and prefer areas where water is plentiful and fresh. These monster frogs can be found anywhere with ...