Warren Mastodon main content.

Warren Mastodon

Part of Hall of Advanced Mammals.

Warren Mastodon mount on display in the Hall of Advanced Mammals. D. Finnin/© AMNH
An extinct, near-perfect proboscidean.

The Warren mastodon bears a strong resemblance to its neighbor in the Paul and Irma Milstein Hall of Advanced Mammals, the mammoth. In fact, these distant cousins of modern elephants parted ways on the evolutionary tree of life about 25 million years ago.

Named for John C. Warren, the founder of a Boston-based museum where it was first displayed, the Warren mastodon fossil was discovered in a bog in Newburgh, New York, in 1845. It was the first complete American mastodon (Ma