Dusky Grouse
Dendragapus obscurus
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A large grouse (~1.1 kg) of family Phasianidae, males dark grey with yellow-orange eyecomb and inflatable violet neck sacs. Inhabits montane coniferous forests in the Rocky Mountains from British Columbia to New Mexico. Feeds on conifer needles in winter, berries and insects in summer. Exhibits elevational migration. Least Concern; common in western North American mountain forests.
Physical Description
| Measurement | Value | Imperial |
|---|---|---|
| กว้างปีก | 45.3 cm | 17.8 in |
| น้ำหนัก | 1118.0 g | 39.44 oz |
การยืนยันชนิดพันธุ์
ขนนก
Male dark greyish-brown overall; pale grey tail with broad grey terminal band; yellow-orange eye-comb; bare yellow-purple neck air sacs visible in display. Female mottled brown and buff with darker barring.
Habitat & Range
อาณาเขตทางภูมิศาสตร์
Resident in the Rocky Mountains and coastal ranges of western North America from British Columbia south to New Mexico at 1,000-3,500 m.
Diet & Feeding
Eats conifer needles, especially fir and pine, in winter; berries, leaves, and invertebrates in summer. Highly folivorous.
สถานะการอนุรักษ์
พฤติกรรมและการผสมพันธุ์
การทำรัง
Incubation: 25-27 days.
จำนวนไข่
4-10
เสียง
เสียงร้อง
Low, deep hooting 'hoo-hoo-hoo-hoo-hoo' by males from conifer branches; ventriloquial and owl-like. Alarm is a sharp series of 'kuk-kuk' clucks. Female produces soft clucking contact notes.
อนุกรมวิทยา
| Kingdom | Animalia |
| Phylum | Chordata |
| Class | Aves |
| อันดับ | Galliformes (Gamebirds) |
| วงศ์ตระกูล | Phasianidae (Pheasants & Partridges) |
| Genus | Dendragapus |
| ชนิดพันธุ์ | Dendragapus obscurus |
Distribution
Dusky Grouse has been recorded in 1 countries.
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External Databases
คำถามที่พบบ่อย
What does the Dusky Grouse eat?
Where does the Dusky Grouse live?
Is the Dusky Grouse endangered?
How does the Dusky Grouse nest?
What does the Dusky Grouse sound like?
How big is the Dusky Grouse?
What order and family does the Dusky Grouse belong to?
Similar Birds
Other species in the Phasianidae family