J & D Outfitters is a family owned business that has exclusive hunting rights to several thousand acres of private mountain ranches, as well as several ranches across the eastern plains of Colorado. Open in Map Open in Map Description: PronghornMigrationPatterns is an ESRI SDE Feature Class showing Migration Patterns of Pronghorn … Colorado’s pronghorn herds migrated mostly from Utah and Wyoming, with a bit of help from hungry miners and other hearty dwellers in the 1930s and 40s. It is the second longest land mammal migration in the Western Hemisphere. This pronghorn migration is one of the longest and most dramatic land-animal movements in the United States. Pronghorn Migration on the Path of the Pronghorn With the return of spring, a band of pronghorn begins moving north from their winter range in the Upper Green River Valley of Wyoming. A herd of three hundred pronghorn spends its summers in Grand Teton National Park, and then each fall migrates into the Upper Green River Basin of Wyoming, a distance of about 150 miles. Feb 4, 2011 (Last modified Oct 5, 2011) Uploaded by Conservation Biology Institute. J & D OUTFITTERS & GUIDE SERVICE. Colorado Pronghorn Trophies. Pronghorn Migration Patterns in Colorado, USA. A band of pronghorn, mainly does, migrating south for the winter. That it still happens is remarkable. In the winter of 1936, pronghorn crossed the frozen Yampa River from Wyoming into Moffat County in far northwestern Colorado. Colorado Parks and Wildlife Biologists, District Wildlife Managers, and Researchers Publisher: Colorado Parks and Wildlife Description: PronghornMigrationCorridors is an ESRI SDE Feature Class showing Migration Corridors of Pronghorn Antelope. As they travel, they are joined by others and together they follow the retreating snow … Family owned with exclusive hunting rights to thousands of acres across Colorado. Around the edges are the high plains semideserts, with miles of cholla cactus and spiky yucca plants, pronghorn herds, horned lizards, Scaled Quail and even roadrunners.