Photos:

Image Gallery: Evolution's Most Extreme Mammals

PREVIOUS | NEXT
1 of 13

Violent musk-ox

Credit: © AMNH/R. Mickens
Bootherium bombifrons, an extinct musk-ox which lived 780,000–11,000 years ago, was one of at least four such species found in North America during the…Read More »









Pleistocene; only one still lives today. Both male and female musk-oxen have four-inch-thick horns, and the battles between males during mating season can be spectacularly violent in living musk-oxen. This specimen will be part of "Extreme Mammals: The biggest, smallest, and most amazing mammals of all time," an exhibition opening May 16, 2009, at the American Museum of Natural History (AMNH) in New York.   Less «
More from LiveScience
Author Bio
Live Science Logo

Live Science Staff

For the science geek in everyone, Live Science offers a fascinating window into the natural and technological world, delivering comprehensive and compelling news and analysis on everything from dinosaur discoveries, archaeological finds and amazing animals to health, innovation and wearable technology. We aim to empower and inspire our readers with the tools needed to understand the world and appreciate its everyday awe.
Live Science Staff on
Contact LiveScience on Twitter