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Mule deer within the Upper Shoshone herd make a number of significant, long-distance migrations west into the core of the Greater Yellowstone Ecosystem. The longest is a 133-mile (214-km) migration that originates at the mouth of the South Fork of the Shoshone River near Buffalo Bill Reservoir and ends at Jenny Lake in Grand Teton National Park. Deer in the Upper Shoshone herd winter in the lower-elevation sagebrush valleys of the South Fork Shoshone River and North Fork of the Shoshone River. Each spring, an estimated 6,700 deer head west into the high-elevation, mountainous country of the Absaroka Range and then into Yellowstone National Park or Grand Teton National Park. These challenging journeys, an average...
Mule deer within the Clarks Fork herd make a number of significant westward long-distance migrations. These migrations originate north of Cody, near Heart Mountain and along the foothills of Absaroka Front. There, deer winter in the lower elevation sagebrush valleys, and in spring an estimated 2,700 deer head west into the high elevation mountain valleys of the Absaroka Range and Yellowstone National Park. This herd summers along the Lamar River, Cache Creek, and the Clarks Fork of the Yellowstone. The longest migration is 68 miles and ends just north of Yellowstone Lake along the Yellowstone River in the Hayden Valley. These challenging journeys, an average of 38 miles long, cross rugged terrain and steep mountain...
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The Carter Mountain pronghorn herd contains approximately 7,000 animals—half which migrate 10–60 mi (16–97 km) west from common winter ranges in the Bighorn Basin to summer ranges near the Absaroka Range (fig. 29). During this migration, pronghorn must cross U.S. Highway 14 and Wyoming Highway 120. Most pronghorn summer in ranges west of Wyoming Highway 120 along the Greybull River, but some individuals summer in the South Fork Shoshone River drainage. A segment of the population gains nearly 6,000 ft (1,829 m) in elevation to summer on the high plateaus of the Absaroka Range and upper Greybull River and spend the summer months at 10,000–11,000 ft (3,048–3,353 m) above sea level in alpine meadows they share with...
The Cody elk herd migrates across rugged country on the eastern side of the Absaroka Mountains near Cody, WY. This large herd of 6,000-7,000 animals winters in foothill habitat to the south and west of Cody. There are three core winter areas, namely the valleys formed by the North and South Fork of the Shoshone River and the headwaters of the Greybull River north to Meeteetse creek. In spring, the elk that winter along the North Fork of the Shoshone generally follow the river west towards the park, some of them branching up Eagle Creek and other tributaries. The elk that winter in the South Fork of the Shoshone follow it upstream in spring, eventually heading west up Ishawooa Creek and into the Thorofare and Yellowstone...


    map background search result map search result map Migration Routes of Elk in Cody Herd in Wyoming Migration Routes of Mule Deer in Clarks Fork Herd in Wyoming Migration Routes of Mule Deer in the Upper Shoshone Herd in Wyoming Wyoming Pronghorn Carter Mountain Routes Migration Routes of Mule Deer in Clarks Fork Herd in Wyoming Migration Routes of Mule Deer in the Upper Shoshone Herd in Wyoming Wyoming Pronghorn Carter Mountain Routes Migration Routes of Elk in Cody Herd in Wyoming