The American Pronghorn and its Ancient Relatives

Richard S. White, Research Associate Antilocapra Americana (Walt Anderson painting) When Europeans began exploring the New World in the 16th-19th centuries, they encountered a wealth of unfamiliar animals and plants. They generally called these animals by some version...

Saltpeter and Sloths

It was not long after Cuvier described the first fossil sloth, Megatherium, in 1796 that additional discoveries of fossil sloths were made. The next prominent discovery was not in South America as might be expected but instead in North America. The discovery of this...

The Discovery of Sloths: Strange Animals in a Strange New Land

The Discovery of Sloths: Strange Animals in a Strange New Land When you have an animal named after one of the seven deadly sins, a common question is which came first, the animal or the sin? Geologically speaking, the credit goes to the animal, as the sloth lineage...

Proboscideans from US National Park Service Lands

Proboscideans from US National Park Service Lands Jim I. Mead, Justin S. Tweet, Vincent L. Santucci, Jeffrey T. Rasic, and Sharon E. Holte Abstract – Proboscideans (Mammalia, Proboscidea) are an ubiquitous part of North American ver-tebrate faunas throughout the...