Deep Look

Why Reindeer and Their Cousins are Total Boneheads

Season 4 Episode 1 | 3m 45s | Video has closed captioning.

In a bloody, itchy process, males of the deer family grow a new set of antlers every year, use them to fend off the competition, and lose their impressive crowns when breeding season ends.

Aired: 02/18/21

Rating: NR

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Problems Playing Video? | Closed Captioning