Hippopotamus Hippopotamus The common hippopotamus ("Hippopotamus amphibius"), or hippo, is a large, mostly herbivorous, semiaquatic mammal native to sub-Saharan Africa, and one of only two extant species in the family Hippopotamidae, the other being the pygmy hippopotamus ("Choeropsis liberiensis" or "Hexaprotodon liberiensis"). The name comes from the ancient Greek for "river horse" (). After the elephant and rhinoceros, the common hippopotamus is the third-largest type of land mammal and the heaviest extant artiodactyl. Despite their physical resemblance to pigs and other terrestrial even-toed ungulates, the closest living relatives of the Hippopotamidae are cetaceans (whales, dolphins, porpoises, etc.) from which they diverged
Pygmy bushtit forest types, and is often encountered on the forest edge. The pygmy bushtit is the smallest member of its family, and the smallest species of bird on Java. It is in length. Pygmy bushtit The pygmy bushtit ("Aegithalos exilis") is a species of bird in the bushtit family Aegithalidae. The species was once placed, along with the rest of its family, with the true tits, Paridae. Its relationship with other species in its family is uncertain, but is still placed within the family due to similarities in behaviour and vocalisations. It is endemic to Indonesia, where it occurs only on