Sage Grouse
Centrocercus urophasianus
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<birdfyi-bird slug="centrocercus-urophasianus"></birdfyi-bird>À propos
The largest North American grouse (~2.1 kg), family Phasianidae, males with a spiked tail and inflatable yellow air sacs used in elaborate lek displays. Entirely dependent on sagebrush (Artemisia) ecosystems in the western United States and Canada for food and nesting. Feeds primarily on sagebrush leaves. Near Threatened; population severely declined due to widespread sagebrush habitat conversion.
Physical Description
| Measurement | Value | Imperial |
|---|---|---|
| Envergure | 61,2 cm | 24.1 in |
| Poids | 2100,0 g | 74.08 oz |
Identification
Plumage
Male has black belly, white breast, spiky pointed tail; yellow eye-combs; during display inflates yellow-green bare breast sacs exposing white feather ruff. Female mottled brown with dark belly patch.
Habitat & Range
Répartition géographique
Resident in sagebrush habitat of the western United States and southwestern Canada. Found in semi-arid plains with Artemisia. Vulnerable.
Diet & Feeding
Feeds almost entirely on sagebrush leaves and buds in winter; insects and forbs important in spring and summer.
Statut de conservation
Comportement et reproduction
Nidification
Nest type: SC. Incubation: 25-27 days. Fledging: 7-14 days.
Taille de la couvée
7-15
Son
Chant
Males produce extraordinary lek display: deep swishing 'swish-swish-coo-OO-ploop' using air sacs; low frequency, liquid, and otherworldly. Alarm is a cackling 'cac-cac'; females cluck softly.
Taxonomie
| Kingdom | Animalia |
| Phylum | Chordata |
| Class | Aves |
| Ordre | Galliformes (Gamebirds) |
| Famille | Phasianidae (Pheasants & Partridges) |
| Genus | Centrocercus |
| Espèces | Centrocercus urophasianus |
Distribution
Sage Grouse has been recorded in 1 countries.
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External Databases
Foire aux questions
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Similar Birds
Other species in the Phasianidae family