16 October 2009 - Mikumi National Park, Tanzania. Hippopotamus / Nijlpaard (Hippopotamus amphibius)  For those who like the biological details: Click a link and you'll go to the Flickr photo page for that rank in the biological classification.  Phylum: Chordata; Vertebrates / Gewervelden Class: Mammalia; Mammals / Zoogdieren Order: Artiodactyla; Even-toed Ungulates / Evenhoevigen Suborder: Cetruminantia; Ruminants, Whales and Hippos / Herkauwers, Walvissen en Nijlpaarden Infraorder: Cetancodonta; Whales, Dolphins, Hippos / Walvissen, Dolfijnen, Nijlpaarden Family: Hippopotamidae; Hippopotamuses / Nijlpaarden Genus: Hippopotamus; Hippopotamuses / Nijlpaarden Species: Hippopotamus amphibius; Hippopotamus / Nijlpaard