The '''Surinam toad''' is a small frog of the genus ''Pipa'', and found in tropical ponds and still waters of the Amazon Basin of South America. It's unusual characteristic - the laying of eggs and the hatching of young entirely within the skin of the female's back - has presented a severe problem for the theory of evolution. | The '''Surinam toad''' is a small frog of the genus ''Pipa'', and found in tropical ponds and still waters of the Amazon Basin of South America. It's unusual characteristic - the laying of eggs and the hatching of young entirely within the skin of the female's back - has presented a severe problem for the theory of evolution. |