Natasha gives birth to baby girl – 50th chimp resident of Ngamba Island Chimpanzee Sanctuary World’s Most Intelligent Chimpanzee Natasha Gives Birth to Baby Girl at Ngamba Island Chimpanzee Sanctuary. Natasha, a female chimpanzee of Ngamba Island Chimpanzee Sanctuary who was named the world’s most intelligent chimpanzee gave birth to a baby girl, the 4th