A muskox (Ovibos moschatus), photographed in Alaska. From Flickr user drurydrama.
Of all the mass extinctions that have occurred during earth's history, among the most hotly debated is the one which wiped out mammoths, saber-toothed cats, giant ground sloths, and the other peculiar members of the…
The skeleton of an elk-moose (Cervalces scotti), photographed at the New Jersey State Museum.
A stuffed cougar (Puma concolor), photographed in natural history collection at the New Jersey State Museum.
A jar full of dogfish, photographed at the New Jersey State Museum.