Around 600000 Sandhill cranes flock to Nebraska’s Central Platte River Valley each spring in one of the world’s largest and oldest remaining bird migrations. ➡ 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 There the cranes thrive on corn, the most abundant local food source. The species is incredibly resilient, but they face a loss of wetland habitat and the effects of climate change – so their resilience cannot be taken for granted. Read more about the annual sandhill crane migration in "This Is What One of the La