Tan-breasted Partridge vs Altai Snowcock
Arborophila rolli 비교 대상 Tetraogallus altaicus
Side-by-Side Comparison
| 속성 | Tan-breasted Partridge | Altai Snowcock |
|---|---|---|
| 학명 | Arborophila rolli | Tetraogallus altaicus |
| 목 | Galliformes | Galliformes |
| 과 | Phasianidae | Phasianidae |
| 보전 상태 | Least Concern | Least Concern |
| 체장 | — | — |
| 날개 폭 | 28.1 cm (11.1 in) | 56.9 cm (22.4 in) |
| 체중 | 336.0 g (11.85 oz) | 2770.0 g (97.71 oz) |
| 식성 | Forages on floor of northern Sumatran montane forests for seeds, invertebrates, and small fruits. Little-studied … | Feeds on alpine grasses, seeds, berries, and shoots; digs for roots and bulbs in Altai … |
| 산란 수 | -- | 4-15 |
| Population Trend | — | — |
Habitat Comparison
Song & Call Comparison
Tan-breasted Partridge
Clear, ringing 'wii-OO' whistle heard from Sumatra's foothills; second note drawn out. Poorly known; alarm a short sharp 'kek'. Covey contact maintained by soft, quiet clucks.
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
Tan-breasted Partridge
Endemic to northern Sumatra in Aceh and North Sumatra provinces. Found in lowland and foothill forest below 1,000 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
Tan-breasted Partridge
Altai Snowcock
How to Tell Them Apart
Tan-breasted Partridge
Brown above; breast uniform tan-buff without chestnut or grey; throat whitish; flanks olive-brown streaked pale; bare reddish eye-ring; uniform tan breast is diagnostic against grey-breasted congeners.
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
Tan-breasted Partridge
롤 자고새는 인도네시아 수마트라와 나이아스 섬에만 서식하는 자고새입니다. 남색 눈 주위 피부와 줄무늬 갈색 깃털이 특징이며, 수마트라의 열대 우림 아래층에서 서식합니다.
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.