The bull frog is an amphibian of the Ranidae family, native from East of NothAmerica. It lives near to lakes and paceful ponds. It's a big batrachian, normally with green, brown or black color, with it's belly being yellow or white. The most strinkig atributes of this specimen are it's long and strong legs and it's outstanding eardrums. The tadpoles of this specie delay until 4 years to become adults. This frog have his name because male's croak; it is deep and resonant so it remembers in certain way to the bull bellow.