NOVA

Five Dogs With Crazy Résumés

Clip: Season 41 Episode 9 | 2m 58s

Why do some dogs have short fur, others long tails, and still others wrinkly faces? Many dogs were bred to perform a specific tasks--from hunting vermin to wrangling bulls--and their physical characteristics were chosen to help them do their jobs.

Aired: 04/07/14

Rating: NR

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