Western Capercaillie vs Altai Snowcock
Tetrao urogallus 비교 대상 Tetraogallus altaicus
Side-by-Side Comparison
| 속성 | Western Capercaillie | Altai Snowcock |
|---|---|---|
| 학명 | Tetrao urogallus | Tetraogallus altaicus |
| 목 | Galliformes | Galliformes |
| 과 | Phasianidae | Phasianidae |
| 보전 상태 | Least Concern | Least Concern |
| 체장 | — | — |
| 날개 폭 | 69.5 cm (27.4 in) | 56.9 cm (22.4 in) |
| 체중 | 3072.5 g (108.38 oz) | 2770.0 g (97.71 oz) |
| 식성 | Relies on pine and other conifer needles in winter; forages for berries, shoots, herbs, and … | Feeds on alpine grasses, seeds, berries, and shoots; digs for roots and bulbs in Altai … |
| 산란 수 | 4-12 | 4-15 |
| Population Trend | — | — |
Habitat Comparison
Song & Call Comparison
Western Capercaillie
Extraordinary lek song: four phases — ticking, popping, cork-pulling, then grinding 'shhhhh'; lasts 6–8 seconds. Largest grouse song; audible 500+ m in European forest. Alarm is a loud bark.
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
Western Capercaillie
Resident of mature coniferous and mixed forests from Scotland and Scandinavia east through Russia to Siberia; relict populations in central Europe.
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
Western Capercaillie
Altai Snowcock
How to Tell Them Apart
Western Capercaillie
Strongly dimorphic. Male dark slate-blue with iridescent bottle-green gorget, brown wings, and red wattle over eye; fan-shaped tail. Female cryptically barred ochre, russet, and black with orange breast patch.
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
Western Capercaillie
서부뇌조(캐퍼케일리)는 유럽과 아시아의 침엽수림에 서식하는 최대 규모의 뇌조입니다. 수컷은 검은빛 깃털에 녹색 광택과 붉은 눈썹을 가지며, 구애 시 특유의 거품 소리를 냅니다.
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.