Douglas J. Emlen is a professor of biology at the University of Montana and author of Animal Weapons: The Evolution of Battle (Holt, 2014).
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16:53
Horns, Claws, and Teeth: The Animal Weapons Arms Race
Doug Emlen, author of “Animal Weapons,” unpacks the evolutionary arms race that pushes horns, claws, teeth and other animal defenses to the extreme.
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From Antlers to Tusks: Our Obsession With Extreme Animal Weapons
An excerpt from “Animal Weapons.”