The pygmy hippopotamus has several special adaptations for living in its environment, including major sensory organs on top of its head, strong muscles to keep ears and nostrils shut underwater and secretions of a red li... More » Pets & Animals Mammals Marine Mammals

Hippos eat plant foods, particularly grasses, shoots, leaves, reeds, flowers, stems and bark. They've been known to scavenge, though they are herbivores, and their digestive systems haven't evolved to eat meat. Biologist... More » Pets & Animals Mammals

There are only two species of hippopotamus in the world today. There are an estimated 125,000 to 150,000 common hippopotamuses in the world. Pygmy hippo numbers are even fewer, and there are an estimated 2000 to 3000 rem... More » Pets & Animals Mammals Marine Mammals
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