Sooty Grouse vs Altai Snowcock
Dendragapus fuliginosus 비교 대상 Tetraogallus altaicus
Side-by-Side Comparison
| 속성 | Sooty Grouse | Altai Snowcock |
|---|---|---|
| 학명 | Dendragapus fuliginosus | Tetraogallus altaicus |
| 목 | Galliformes | Galliformes |
| 과 | Phasianidae | Phasianidae |
| 보전 상태 | Least Concern | Least Concern |
| 체장 | — | — |
| 날개 폭 | 44.6 cm (17.6 in) | 56.9 cm (22.4 in) |
| 체중 | 1016.25 g (35.85 oz) | 2770.0 g (97.71 oz) |
| 식성 | Feeds on conifer needles, especially Douglas-fir, in winter; berries, leaves, seeds, and insects in summer. | Feeds on alpine grasses, seeds, berries, and shoots; digs for roots and bulbs in Altai … |
| 산란 수 | 6-12 | 4-15 |
| Population Trend | — | — |
Habitat Comparison
Song & Call Comparison
Sooty Grouse
Deep, booming 'hoot-hoot-hoot-hoot-hoot' from treetop perch; inflated cervical sacs amplify resonance. Similar to Dusky Grouse but with subtle tonal differences. Alarm is rapid sharp clucking.
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
Sooty Grouse
Resident along the Pacific coast and Cascade-Sierra ranges from Alaska south to northern California. Found in coastal coniferous forest.
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
Sooty Grouse
Altai Snowcock
How to Tell Them Apart
Sooty Grouse
Male is dark sooty-grey; tail grey with broad pale grey terminal band; yellow eye-comb; bare pink-purple neck sac visible during display. Female mottled dark brown; overall darker than Dusky Grouse.
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
Sooty Grouse
약 1kg의 Phasianidae 과 대형 뇌조로 수컷은 균일한 어두운 그을린 회색 깃털에 노란-주황색 눈 볏. 알래스카에서 캘리포니아까지 해안·태평양 산지림에 서식. 겨울에는 전나무·솔 등 침엽수 잎을 먹고 여름에는 장과류와 무척추동물. 대부분의 새와 반대로 겨울에 상향 이동. 최소 관심; 태평양 해안 산맥에서 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.