The Hippopotamus and the Tortoise Much of life can never be explained but only witnessed. NAIROBI (AFP) - A baby hippopotamus that survived the tsunami waves on the Kenyan coast has formed a strong bond with a giant male century-old tortoise in an animal facility in the port city o f Mombassa , officials said. The hippopotamus, nicknamed Owen and weighing about 300 kilograms (650 pounds), was s..