Dusky Grouse vs Altai Snowcock
Dendragapus obscurus 비교 대상 Tetraogallus altaicus
Side-by-Side Comparison
| 속성 | Dusky Grouse | Altai Snowcock |
|---|---|---|
| 학명 | Dendragapus obscurus | Tetraogallus altaicus |
| 목 | Galliformes | Galliformes |
| 과 | Phasianidae | Phasianidae |
| 보전 상태 | Least Concern | Least Concern |
| 체장 | — | — |
| 날개 폭 | 45.3 cm (17.8 in) | 56.9 cm (22.4 in) |
| 체중 | 1118.0 g (39.44 oz) | 2770.0 g (97.71 oz) |
| 식성 | Eats conifer needles, especially fir and pine, in winter; berries, leaves, and invertebrates in summer. … | Feeds on alpine grasses, seeds, berries, and shoots; digs for roots and bulbs in Altai … |
| 산란 수 | 4-10 | 4-15 |
| Population Trend | — | — |
Habitat Comparison
Song & Call Comparison
Dusky Grouse
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.
Altai Snowcock
Loud, ringing whistled 'whi-WHEEE' echoing across Altai alpine slopes; deeper than Tibetan Snowcock due to larger size. Alarm is rapid barking. Calls at dawn from rocky ridgelines.
Geographic Range & Migration
Dusky Grouse
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.
Altai Snowcock
Resident of alpine rocky slopes and grassy hillsides in the Altai and Sayan mountains of Russia, Kazakhstan, and western Mongolia, at 2,000–4,000 m.
보전 상태
Dusky Grouse
Altai Snowcock
How to Tell Them Apart
Dusky Grouse
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.
Altai Snowcock
Largest snowcock; grey-brown upperparts with buff streaks; white underparts with grey breast; rufous necklace streaks on lower neck; white outer tail in flight; whitish face with dark ear patch. Sexes …
About These Birds
Dusky Grouse
약 1.1kg의 Phasianidae 과 대형 뇌조로 수컷은 노란-주황색 눈 볏과 부풀릴 수 있는 보라색 목 주머니를 가진 어두운 회색 깃털. 브리티시컬럼비아에서 뉴멕시코까지 로키 산맥의 산지 침엽수림에 서식. 겨울에는 침엽수 잎, 여름에는 장과류와 곤충을 먹는다. 수직 이동을 한다. 최소 관심; 북아메리카 서부 산지림에서 흔하다.
Altai Snowcock
알타이 눈꿩은 알타이-사얀 산맥의 고산 지대에 서식하는 대형 자고새류입니다. 회색빛 갈색 깃털에 흰색 무늬가 있으며, 4,000m 이상의 험준한 고산 초원과 암석 지대에 적응하여 생활합니다.