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Bighorn Sheep

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  • Bighorn Sheep, Rocky Mountain National Park
  • Bighorn Sheep Crossing

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    Park officials try to slow down cars as a ram is crossing the road in Rocky Mountain National Park.
    Bighorn Sheep Crossing
  • Bighorn sheep grazing in high mountain habitat



J. L. George and C. R. Anderson, Jr., Colorado Bighorn Sheep Management Plan 2009–2019 (Denver: Colorado Division of Wildlife, Dept. of Natural Resources, 2009).

National Bighorn Sheep Center, “Wild Sheep Biology,” 2015.

National Park Service, “Bighorn Sheep,” n.d.

Rocky Mountain Bighorn Sheep,” National Geographic, n.d.

Additional Information: 

James Bailey, Management of Rocky Mountain Bighorn Sheep Herds in Colorado (Denver: Colorado Division of Wildlife, 1990).

David Bradford, Justin McConkey, Larry Allen, Brian Farmer, and Joe Sperry, “Rocky Mountain Woolies: Raising Sheep in the New West,” US Forest Service, n.d.

Colorado Department of Natural Resources, “Colorado Parks & Wildlife 2015 Fact Sheet.”

Ken Risenhoover, James Bailey, and Leslie Wakelyn, “Assessing the Rocky Mountain Bighorn Sheep Management Problem,” Wildlife Society Bulletin 16, No. 3 (1988).

Rocky Mountain Bighorn Society, “Dilemma of the Rocky Mountain Bighorn Sheep” (Lakewood, CO: Rocky Mountain Bighorn Society, n.d.).

Timothy J. Schommer and Melanie M. Woolever, “A Review of Disease Related Conflicts Between Domestic Sheep and Goats and Bighorn Sheep,” US Forest Service, September 2008.

Leslie Wakelyn, “Changing Habitat Conditions on Bighorn Sheep Ranges in Colorado,” Journal of Wildlife Management 51, no. 4 (1987).