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Mule deer within the Dubois herd make several long-distance migrations into the heart of the Greater Yellowstone Ecosystem (fig. 26). These migrations originate from winter range in the warm, protected sagebrush valley surrounding Dubois, Wyoming, and extend to the southeast on the Wind River Reservation. Each spring, an estimated 6,000–7,000 deer leave this valley and the Reservation and migrate northwest. These journeys, averaging 44 mi one way, begin as deer ascend Togwotee Pass (9,658 ft [m 2,944] in elevation). From there, they cross challenging natural terrain with high mountain passes and disperse into the north Wind River Range, Gros Ventre Range, Absaroka Range, Grand Teton National Park, and deep into...
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Elk (Cervus elpahus canadensis) within the southernmost section of the Absaroka Range, just north of the Wind River Range, display altitudinal migration (fig. 71). In the spring, they migrate from the southern foothills near Dubois up into the mountains, and in the fall, they head back down to lower elevations. The herd, which numbers around 6,000, primarily winters between the Absaroka Range to the north and the Wind River Range to the south. Winter ranges consist mostly of shrubs, largely supported by private land with smaller areas of BLM and Wyoming Game and Fish land. During migration animals travel an average one way distance of 32 mi (51 km) ranging from as little as 8 mi (13 km) to as far as 69 mi (111 km)....
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Tags: United States,
Wiggins Fork,
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animal behavior,
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