Big horn sheep deliver their head butts at over 20mph - which is enough to kill a human! ➡ Subscribe: bit.ly/NatGeoWILDSubscribe About Nat Geo Wild: Welcome to a place so wild, anything can happen. Nat Geo Wild is the network all about animals from National Geographic, where every story is an adventure and your imagination is allowed to run wild. Get More Nat Geo Wild: Official Site: bit.ly/NatGeoWILD Facebook: bit.ly/NGWFacebook Twitter: bit.ly/NGWTwitter Instagram: bit.ly/NGWInstagram How Do Big Horn Sheep Butt Heads? | Nat Geo Wild youtu.be/Miq8bW6tNEE Nat Geo Wild www.youtube.com/user/NatGeoWild