Hippopotamus The common hippopotamus, or hippo, is a large, mostly herbivorous, semiaquatic mammal native to sub-Saharan Africa. It is one of only two extant species in the family Hippopotamidae, the other being the pygmy hippopotamus. The name comes

Stock photo: Hippopotamus The common hippopotamus, or hippo, is a large, mostly herbivorous, semiaquatic mammal native to sub-Saharan Africa. It is one of only two extant species in the family Hippopotamidae, the other being the pygmy hippopotamus. The name comes was taken by nijummartin .