Accordion side navigation Bighorn Sheep Desert Bighorn Sheep Overview Natural History Monitoring Efforts How to see a Desert Bighorn How You Can Help Scientific Literature & Works Cited Contact Program Peninsular Desert Bighorn Sheep Overview Range and Habitat Bighorn Behavior Recovery and Conservation Photos Selected Program Literature Program Staff Sierra Nevada Bighorn Sheep Overview Sierra Bighorn Facts Recovery Program Recovery Progress Literature Projects Predation Monitoring Citizen Science Disease Risk See also: Bighorn Sheep Hunting Sierra Nevada Bighorn Sheep Maps and Locations All Bighorn Sheep Species in California. (PDF) Sierra Nevada Bighorn. (JPG) Historical Sierra Nevada Bighorn Distribution. Sierra Nevada Bighorn Herd Units. Sierra Nevada Habitat Suitability Model Overview.