Nature's Wildest Weapons: Horns,...

BBC TWO

Sunday 28 October 2018  19:00 - 20:00 (60 mins)
...Tusks and Antlers. Professor Doug Emlen discovers the secrets of nature's arms races, what triggers them and what they can teach us. Also in HD. [S]

Nature's Wildest Weapons: Horns,... may be available on playback
Nature's Wildest Weapons: Horns,... (BBC TWO) Sunday 28 October 2018 19:00 - 20:00