hippoworlds http://www.hippoworlds.com http://www.hippoworlds.com/types-of-hippopotamuses.html Types of Hippopotamuses The main hippopotamus species the common hippopotamus, the pygmy hippopotamus and extinct hippopotamus species. http://www.hippoworlds.com/types-of-hippopotamuses.html http://www.hippoworlds.com/hippopotamus-videos.html Hippopotamus Videos Hippopotamus Video Gallery http://www.hippoworlds.com/hippopotamus-videos.html http://www.hippoworlds.com/hippopotamus-and-calf-picture.html Hippopotamus and Calf Picture Hippopotamus and Calf Picture http://www.hippoworlds.com/hippopotamus-and-calf-picture.html http://www.hippoworlds.com/hippopotamus-conservation-efforts.html Hippopotamus Conservation Efforts If we are to prevent the Hippo from becoming extinct, then we have to take steps to protect them. This includes protecting their natural environment and preventing poaching efforts. http://www.hippoworlds.com/hippopotamus-conservation-efforts.html http://www.hippoworlds.com/hippopotamus-pictures.html Hippopotamus Pictures Hippopotamus Picture Gallery http://www.hippoworlds.com/hippopotamus-pictures.html