The Colors of the Rhino

White rhinos aren’t white and black rhinos aren’t black. All rhinos are essentially grayish-brown, but often take on the color of the surrounding substrate.  As examples, these “red” white rhinos from the North Carolina Zoo, this two-toned greater one-horned rhino that just emerged from a stream in India’s Kaziranga National Park, and this black rhino…

Prehistoric rhinos: Horny or Not?

Black Rhino (Diceros bicornis), Pittsburgh Zoo It might seem strange, but the first members of the rhino family to appear on the evolutionary scene some 40 million years ago were hornless. Paleontologists place them in the Family Rhinocerotidae based on similarities in dentition, especially tusk-like incisors that remain prominent in today’s greater one-horned and Javan rhinos…