大象传媒 Two - Natural World, 2017-2018, Nature's Wildest Weapons: Horns, Tusks and Antlers, Nature's Wildest Weapons: Horns, Tusks and Antlers

Natural World 2017-2018, Nature's Wildest Weapons: Horns, Tusks and Antlers Nature's Wildest Weapons: Horns, Tusks and Antlers

From elephants to beetles, are animal weapons more than just instruments of blunt force?

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Jackson鈥檚 chameleons use their horns to duel rival males on top of branches.

Natural World—2017-2018, Nature's Wildest Weapons: Horns, Tusks and Antlers

Professor Doug Emlen discovers the secrets of nature's arms races.

大象传媒 Two