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Genus Centrocercus
Gunnison Sage-grouse - Gunnison Sage-Grouse are notable for their elaborate courtship rituals. Each spring males congregate on leks and perform a "strutting display". Groups of females observe these displays and select the most attractive males to mate with. Only a few males do most of the breeding. Males perform on leks for several hours in the early morning and evening during the spring months. Leks are generally open areas adjacent to dense sagebrush stands, and the same lek may be used by grouse for decades.
Sage grouse - The sage-grouse are the species in the bird genus Centrocercus. They are the largest grouse from temperate North America. Adults have a long, pointed tail and legs with feathers to the toes. Like in most Galliformes, there is pronounced sexual dimorphism.