Pygmy hippopotamus the pygmy hippopotamus, are considered dwarf hippopotamuses, rather than pygmies. They are likely descended from a full-sized species of European hippopotamus, and reached their small size through the evolutionary process of insular dwarfism which is common on islands; the ancestors of pygmy hippopotami were also small and thus there was never a dwarfing process. There were also several species of pygmy hippo on the island of Madagascar (see Malagasy hippopotamus). Pygmy hippos share the same general form as a hippopotamus. They have a graviportal skeleton, with four stubby legs and four toes on each foot, supporting a portly frame. The
Wildlife of Haiti hutia, Hispaniolan edible rat and imposter hutia. Marine mammal fauna reported are manatees, pygmy sperm whale, Fraser's dolphin, Atlantic spinner dolphin, Atlantic spotted dolphin, long-beaked dolphin, Pacific pilot whale and grey dolphin. There are a large number of species of bats and many are endemic to Haiti. Some of the identified bat species are: greater bulldog bat, sooty mustached bat, Waterhouse's leaf-nosed bat, Pallas's mastiff bat, Mexican funnel-eared bat, big free-tailed bat, Cuban flower bat, Cuban fig-eating bat, Parnell's mustached bat, Brazilian free-tailed bat, Jamaican fruit-eating bat and Cuban fruit-eating bat. A notable introduced mammal is the wild boar. Etang