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The greater sage-grouse also know as the sagehen.

The greater sage-grouse is a permanent resident in its breeding grounds but may move short distances to lower elevations during winter. It makes use of a complex lek system in mating and nests on the ground under sagebrush or grass patches

Greater sage-grouse do not have a muscular crop and are not able to digest hard seeds like other grouse.

The species is in decline across its range due to habitat loss and has been recognized as threatened or near threatened by several national and international organizations.

Adult greater sage-grouse have a long, pointed tail and legs with feathers to the toes. The adult male has a yellow patch over each eye, is grayish on top with a white breast, and has a dark brown throat and a black belly; two yellowish sacs on the neck are inflated during courtship display. The adult female is mottled gray-brown with a light brown throat and dark belly.

In their first week of life, greater sage-grouse chicks consume primarily insects, especially ants and beetles. Their diet then switches to forbs, with sagebrush gradually assuming primary importance.

Greater sage-grouse apparently do not require open water for day-to-day survival if vegetation is available. They use free water if it is available, however. Their distribution is apparently seasonally limited by water in some areas. In summer, greater sage-grouse in desert regions occur only near streams, springs, and water holes.