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Greater Sage Grouse

Greater Sage Grouse

Greater sage-grouse are adapted to eat the leaves of sagebrush shrubs year-round. Sagebrush have a characteristic smell from chemicals called monoturpenoids, which are toxic to most wildlife. Sage-grouse have evolved to eat sagebrush leaves without getting sick.

Centrocercus urophasianus


Greater sage-grouse is the largest grouse in North America—males are the size of a small turkey, 4-7 lb/2-3 kg, and females are about half as large. Adult males are mostly brown with mottling on the back and wings, a pointed tail, long hair-like feathers from the back of the neck, a black belly, white breast, and two yellow air sacs that inflate during the breeding display. Females are more cryptic and lack the conspicuous white breast, air sacs, and hair-like feathers. Sage-grouse are a resident species in western North America, but some will disperse seasonally throughout the year.

Observation Tips

Greater sage-grouse have a unique breeding display in the springtime where males gather on leks (i.e., breeding grounds) in the early morning to attract females. Leks are usually located on ridgetops, disturbed sites, and other open areas. Males strut with tails fanned, popping their air sacs, and fights between breeding males are common.

Interesting Fact

Greater sage-grouse are adapted to eat the leaves of sagebrush shrubs year-round. Sagebrush have a characteristic smell from chemicals called monoturpenoids, which are toxic to most wildlife. Sage-grouse and a few other species (pronghorn, mule deer, elk, and pygmy rabbit) have evolved to eat sagebrush leaves without getting sick. Sage-grouse will also select specific sub-species of sagebrush plants that have higher nutritional content and/or fewer toxins.

Ideal Habitat

Greater sage-grouse use a variety of habitats during the year, including sagebrush shrublands, grasslands, and wet meadows. When lekking, sage-grouse avoid areas where even very low levels of tree cover occur, <4%. Females nest on the ground usually under a tall sagebrush shrub, 11-32 in/28-81 cm, in an area with >15% sagebrush canopy cover. Grass and forbs must be dense enough to conceal the nest and hen, so nest sites need 3–30% residual grass cover and >15% cover of herbaceous plants (grasses and forbs) that are >7 in/18 cm. After hatching, broods (hens and chicks) move to wet meadows with abundant forbs and insects for food; forb cover should be >15%. Sage-grouse spend their winters in sagebrush shrublands with 10–30% cover and shrubs tall enough to leave branches exposed >10 in/25 cm above the snow. In summer, sage-grouse eat insects and the leaves, buds, and flowers of sagebrush and a variety of forbs. In winter, grouse eat sagebrush leaves almost exclusively.

Greater Sage Grouse range map

Range map provided by BirdLife International

Management Activities that Benefit Species – Best Management Practices (BMPs)

Maintain extensive areas of sagebrush (>4,000 ha/9,884 ac) with understory of native grasses and forbs. Light to moderate grazing (20–60% utilization by weight), or grazing under a rest-rotation system, benefits sage-grouse by stimulating forb growth. Control invasive plants such as cheatgrass and encroaching trees. Light herbicide application in areas with extremely dense shrub cover may benefit sage-grouse by increasing grass and forb cover. Mark fences near leks with flagging to prevent sage-grouse collisions. Restore degraded streams or meadows with install simple rock dams reducing erosion and retaining soil moisture. If large stock tanks are used for livestock, provide wildlife escape ladders in the tanks.

Management Activities to Avoid

Avoid extensive prescribed fire as it has been shown to lead to grouse population declines, lower occupancy, lek failure and may lead to colonization by cheatgrass. Mechanical treatment to reduce sagebrush cover does not typically benefit sage-grouse. Avoid heavy spraying of herbicide and insecticides as this can cause major declines of sage-grouse populations.  Human activities within 0.3 mi/ 0.5 km from leks should be minimized during the early morning and late evening when birds are near or on leks. During breeding season near leks, avoid early morning truck traffic and energy-related activities to minimize disturbance.  Energy-related infrastructure should be located >2 mi/3.2 km from active leks whenever possible.

Other Species that Benefit from Similar Habitat Management

Any species that uses sagebrush rangelands during part or all of the year, will likely benefit from habitat practices for greater sage-grouse. Examples of these species include sage thrasher, Brewer’s sparrow, sagebrush sparrow, pygmy rabbit, and mule deer.


Download the Greater Sage Grouse factsheet

Descarga la ficha del urogallo de las artemisas

Other Resources

BirdLife International and Handbook of the Birds of the World. 2019. Greater sage-grouse. Bird species distribution maps of the world.  Version 2019.1.

Connelly et al. 2000. Guidelines to manage sage grouse populations and their habitats. Wildlife Society Bulletin.

Connelly et al. 2011. Characteristics of greater sage-grouse habitats. Pg 69–83 in Greater sage-grouse: ecology and conservation of a landscape species and its habitats. Studies in Avian Biology

The Cornell Lab of Ornithology, Birds of the World (Greater sage-grouse).

Consult with your state wildlife agency about grouse population management.

Photo credit: Stephen Torbit/USFWS/Flickr



Organism Types
Habitat Types
Shrubland | Wet meadow

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