Hippopotamus Surprise egg" of the Italian chocolate company Ferrero SpA. 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
Japanese pygmy woodpecker three weeks. The species has a large range and a stable population, so the IUCN has assessed it as a least-concern species. Japanese pygmy woodpecker The Japanese pygmy woodpecker or pygmy woodpecker ("Yungipicus kizuki") is a species of woodpecker. It is found in coniferous and deciduous forests in Russia, China, North Korea, South Korea and Japan. This species has also been placed in the genus "Dendrocopos" or "Picoides". The International Union for Conservation of Nature (IUCN) has assessed it as a least-concern species. This species was described by Temminck in 1836. The IOC World Bird List recognizes the following subspecies: