Gunnison Grouse
Centrocercus minimus
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A large grouse (~1.6 kg) of family Phasianidae, closely related to Sage Grouse but smaller with longer filoplumes during lek display. Restricted to the Gunnison Basin of southwestern Colorado and a small area of Utah. Entirely dependent on intact sagebrush habitat. Endangered; one of North America's rarest birds with fewer than 5,000 individuals, threatened by habitat fragmentation and drought.
Physical Description
| Measurement | Value | Imperial |
|---|---|---|
| กว้างปีก | 57.0 cm | 22.4 in |
| น้ำหนัก | 1575.0 g | 55.56 oz |
การยืนยันชนิดพันธุ์
ขนนก
Male similar to Sage Grouse but smaller; black belly, white breast, spiky tail with more white barring; prominent white neck filoplumes; yellow eye-combs; yellow-green breast air sacs used in display.
Habitat & Range
อาณาเขตทางภูมิศาสตร์
Endemic to Gunnison Basin and adjacent areas of southwestern Colorado. Found in sagebrush habitat. Critically endangered.
Diet & Feeding
Highly dependent on sagebrush for winter foliage; eats forbs and invertebrates in spring and summer. Critically endangered.
สถานะการอนุรักษ์
พฤติกรรมและการผสมพันธุ์
การทำรัง
Nest type: SC. Incubation: 26 days.
จำนวนไข่
6-10
เสียง
เสียงร้อง
Lek display similar to Sage Grouse but faster and higher-pitched: 'swish-swish-ploop-ploop'; 9-note sequence vs. 7 in Sage Grouse. Plume rattle more pronounced. Alarm is harsh cacking.
อนุกรมวิทยา
| Kingdom | Animalia |
| Phylum | Chordata |
| Class | Aves |
| อันดับ | Galliformes (Gamebirds) |
| วงศ์ตระกูล | Phasianidae (Pheasants & Partridges) |
| Genus | Centrocercus |
| ชนิดพันธุ์ | Centrocercus minimus |
Distribution
Gunnison Grouse has been recorded in 1 countries.
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External Databases
คำถามที่พบบ่อย
What does the Gunnison Grouse eat?
Where does the Gunnison Grouse live?
Is the Gunnison Grouse endangered?
How does the Gunnison Grouse nest?
What does the Gunnison Grouse sound like?
How big is the Gunnison Grouse?
What order and family does the Gunnison Grouse belong to?
Similar Birds
Other species in the Phasianidae family