National Geographic's video: A Deer Migration You Have to See to Believe National Geographic

Researchers have only recently found the longest large mammal migration in the continental United States: Mule deer migrate 150 miles (241 kilometers) in western Wyoming each year. And it's no easy task for them—barriers include highways, fences, tough terrain, and bodies of water. In this video by Joe Riis, a National Geographic grantee and regular contributor, see the modern-day obstacles mule deer overcome to make the migratory trek that they likely have been making for generations. ➡ Subscribe: http://bit.ly/NatGeoSubscribe About National Geographic: National Geographic is the world's premium destination for science, exploration, and adventure. Through their world-class scientists, photographers, journalists, and filmmakers, Nat Geo gets you closer to the stories that matter and past the edge of what's possible. Get More National Geographic: Official Site: http://bit.ly/NatGeoOfficialSite Facebook: http://bit.ly/FBNatGeo Twitter: http://bit.ly/NatGeoTwitter Instagram: http://bit.ly/NatGeoInsta Short Film Showcase spotlights exceptional short videos selected by National Geographic's editors: http://video.nationalgeographic.com/video/short-film-showcase Learn more about the Wyoming Migration Initiative: http://migrationinitiative.org/ See more work by Joe Riis: http://www.joeriis.com/ A Deer Migration You Have to See to Believe | National Geographic https://youtu.be/BIAyb-1uwTg National Geographic https://www.youtube.com/natgeo