Rhinoceros Frog
The Rhinoceros Frog is a very sturdy frog with a wide head. The males also have a small horn coming from their head. The females have no indications of a horn on their heads. This species of frogs is one of the only where the male is usually bigger than the female. They are easy to identify that is if you can find one. They are only distinctly populated in Asia. Citation and more informaton at http://www.ecologyasia.com/verts/amphibians/rhinoceros_frog.htm