Tan-breasted Partridge vs Altai Snowcock
Arborophila rolli 对比 Tetraogallus altaicus
Side-by-Side Comparison
| 属性 | Tan-breasted Partridge | Altai Snowcock |
|---|---|---|
| 学名 | Arborophila rolli | Tetraogallus altaicus |
| 目 | Galliformes | Galliformes |
| 科 | Phasianidae | Phasianidae |
| 保护状况 | Least Concern | Least Concern |
| 体长 | — | — |
| 翼展 | 28.1 cm (11.1 in) | 56.9 cm (22.4 in) |
| 体重 | 336.0 g (11.85 oz) | 2770.0 g (97.71 oz) |
| 食性 | 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 … |
| 产卵数 | -- | 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.
保护状况
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
苏门答腊山鹧鸪（罗利山鹧鸪）是印度尼西亚苏门答腊岛北部特有的山鹧鸪，栖息于山地常绿林。外形与其他亚洲山鹧鸪相似，以红色眼圈和棕褐色体羽为特征。由于苏门答腊北部森林的大规模砍伐，种群数量受到威胁，被列为易危物种。
Altai Snowcock
The largest snowcock (~2.77 kg), family Phasianidae, of alpine scree and subalpine meadows in the Altai and Tian Shan ranges of Central Asia. Heavily built, grey and white with rusty-brown markings. Feeds on roots, bulbs, and alpine plants. Forms small flocks outside breeding season. Least Concern.