Willow Grouse vs Altai Snowcock
Lagopus lagopus 비교 대상 Tetraogallus altaicus
Side-by-Side Comparison
| 속성 | Willow Grouse | Altai Snowcock |
|---|---|---|
| 학명 | Lagopus lagopus | Tetraogallus altaicus |
| 목 | Galliformes | Galliformes |
| 과 | Phasianidae | Phasianidae |
| 보전 상태 | Least Concern | Least Concern |
| 체장 | — | — |
| 날개 폭 | 39.1 cm (15.4 in) | 56.9 cm (22.4 in) |
| 체중 | 595.4166666666666 g (21.00 oz) | 2770.0 g (97.71 oz) |
| 식성 | Eats willow and birch buds, catkins, and shoots in winter; berries, seeds, flowers, and insects … | Feeds on alpine grasses, seeds, berries, and shoots; digs for roots and bulbs in Altai … |
| 산란 수 | 3-14 | 4-15 |
| Population Trend | — | — |
Habitat Comparison
Song & Call Comparison
Willow Grouse
Loud, laughing 'kow-kow-kow-karrr' cackle from males on tundra; raucous and carrying. Alarm is a sharp repetitive 'kek'. Female gives low clucks near nest; male produces barking territorial call.
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
Willow Grouse
Circumpolar breeder in Arctic and boreal tundra of North America, Europe, and Asia. Winters south to temperate grasslands and shrubland.
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
Willow Grouse
Altai Snowcock
How to Tell Them Apart
Willow Grouse
Winter: entirely white except black tail; summer male: rufous-chestnut head and breast, white belly and wings; red eye-comb; feathered white feet year-round. Seasonal plumage change is pronounced.
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
Willow Grouse
들꿩은 북극과 아북극 지역에 서식하는 뇌조 종류이다. 겨울에는 흰색으로 변해 눈 속에서 완벽한 위장을 하며 여름에는 갈색의 얼룩무늬 깃털을 가진다. 북극 툰드라와 아한대 초원에서 식물의 싹, 새싹, 열매 등을 먹는다.
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.