Black-billed Capercaillie vs Altai Snowcock
Tetrao urogalloides 비교 대상 Tetraogallus altaicus
Side-by-Side Comparison
| 속성 | Black-billed Capercaillie | Altai Snowcock |
|---|---|---|
| 학명 | Tetrao urogalloides | Tetraogallus altaicus |
| 목 | Galliformes | Galliformes |
| 과 | Phasianidae | Phasianidae |
| 보전 상태 | Least Concern | Least Concern |
| 체장 | — | — |
| 날개 폭 | 68.2 cm (26.9 in) | 56.9 cm (22.4 in) |
| 체중 | 2957.5 g (104.32 oz) | 2770.0 g (97.71 oz) |
| 식성 | Subsists mainly on larch needles in winter; takes berries, buds, and insects during the warmer … | Feeds on alpine grasses, seeds, berries, and shoots; digs for roots and bulbs in Altai … |
| 산란 수 | 5-10 | 4-15 |
| Population Trend | — | — |
Habitat Comparison
Song & Call Comparison
Black-billed Capercaillie
Similar to Western Capercaillie but generally higher-pitched; ticking phase faster, grinding phase shorter. Siberian larch forest species. Alarm is a loud bark; females give soft clucking brood calls.
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
Black-billed Capercaillie
Resident of coniferous taiga in eastern Russia from the Lena River to the Pacific coast, Kamchatka, and northeastern China.
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
Black-billed Capercaillie
Altai Snowcock
How to Tell Them Apart
Black-billed Capercaillie
Male uniformly glossy blue-black with slight greenish sheen on breast; smaller white wing spots than Western Capercaillie; black bill. Female barred rufous-buff and dark brown, paler below than congener.
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
Black-billed Capercaillie
점박이뇌조는 시베리아와 동아시아 북부의 침엽수림에 서식하는 대형 뇌조입니다. 수컷은 검은색 깃털에 흰색 점무늬, 붉은색 눈썹을 가지며, 소나무와 가문비나무 숲에서 생활합니다.
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.