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Folders: ROOT > ScienceBase Catalog > Cooperative Fish and Wildlife Research Units > Wyoming Cooperative Fish and Wildlife Research Unit > Ungulate Migrations of the Western United States, Volume 1 ( Show all descendants )

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Mule deer within the Red Desert population, part of the larger Sublette herd, make the longest ungulate migration ever recorded in the lower 48 states (fig. 33). Here, mule deer travel an average one-way distance of 150 mi (241 km) from the Red Desert in the south to the Gros Ventre Range and Teton Range in the north. This migration originates in the desert sagebrush basins of the Red Desert area of southwest Wyoming where deer winter. In spring, an estimated 500 deer travel 50 mi (84 km) north across the desert to the west side of the Wind River Range. From there they merge with 4,000 to 5,000 other deer that winter in the foothills of the Wind River Range and then travel a narrow corridor along the base of the...
Mule deer in the Platte Valley South population are part of the larger Platte Valley herd unit with an estimated population of 11,000 animals. These mule deer winter in the sagebrush canyons and basins near the Platte and Encampment Rivers, south of Saratoga, Wyoming (fig. 29). Most of these deer migrate southerly 20–70 mi (32–113 km) to portions of the Sierra Madre, Medicine Bow Mountains, and Park Range in northern Colorado and southern Wyoming. Some of these deer move as far south as Rabbit Ears Range and must negotiate numerous fences, highways, and residential development to complete their migrations. These data provide the location of migration routes for mule deer (Odocoileus hemionus) in the Platte Valley...
Elk within the Clarks Fork herd migrate though some of the most rugged and remote terrain in the lower 48 states. The herd, which numbers around 3,000, winters in the Sunlight Basin and the Absaroka foothills just west of Cody, WY. Winter ranges are a mix of sagebrush hills and lodgepole pine forests, within expansive private ranchlands. During migration, animals travel an average one-way distance of 33 miles, with some animals migrating as far as 67 miles. Spring migrations off of winter range head west towards Yellowstone National Park, up several drainages that flow out of the Absaroka Mountains, including the Clarks Fork of the Yellowstone, Crandall Creek, and smaller creeks to the south. Summer ranges consist...
    map background search result map search result map Migration Routes of Elk in Clarks Fork in Wyoming Migration Routes of Mule Deer in Platte Valley South Population in Wyoming Migration Routes of Mule Deer in the Red Desert Population in Wyoming Migration Routes of Elk in Clarks Fork in Wyoming Migration Routes of Mule Deer in Platte Valley South Population in Wyoming Migration Routes of Mule Deer in the Red Desert Population in Wyoming