Example image of eyePlorer eyePlorer map for 'Hippopotamus': Biological classification Extant taxon Herbivore Hippopotamidae Pygmy Hippopotamus Species Sub-Saharan Africa Even-toed ungulate Giraffe Ancient Greek List of semiaquatic organisms Elephant White Rhinoceros Tanzania Zambia Ivory English plural Social Choeropsis Hexaprotodon Anthracotheriidae Egypt Morphology (biology) Mozambique Nile Horn of Africa Kenya Somalia South Africa Chad Angola Democratic Republic of the Congo Namibia Mitochondrial DNA Order (biology) Camel Cattle Deer Pig Molar (tooth) Natural history Blood Cetacea DNA Fossil Molecular phylogenetics Porpoise Protein Whale Ruminantia