Extant species
Hippopotamus, also known as the common hippopotamus, Nile hippopotamus, river hippopotamus, Hippopotamus amphibius

Pygmy hippopotamus, Choeropsis liberiensis

The Hippopotamus in Fine Art
Peter Paul Rubens, The Hippopotamus and Crocodile Hunt, 1615 - 1616, oil on canvas, 98 x 126 in, Alte Pinakothek, Munich, Germany

Layout made by Itinerae.
Image from here. Lace border from here.