Red-billed Partridge vs Altai Snowcock
Arborophila rubrirostris 对比 Tetraogallus altaicus
Side-by-Side Comparison
| 属性 | Red-billed Partridge | Altai Snowcock |
|---|---|---|
| 学名 | Arborophila rubrirostris | Tetraogallus altaicus |
| 目 | Galliformes | Galliformes |
| 科 | Phasianidae | Phasianidae |
| 保护状况 | Least Concern | Least Concern |
| 体长 | — | — |
| 翼展 | 26.2 cm (10.3 in) | 56.9 cm (22.4 in) |
| 体重 | 226.0 g (7.97 oz) | 2770.0 g (97.71 oz) |
| 食性 | Eats seeds, invertebrates, and small fruits on floor of Bornean montane forests. Little-studied; diet inferred … | 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
Red-billed Partridge
Clear, high-pitched 'wheee-oop' whistle; slurred downward at end. Borneo endemic calling from montane understorey. Contact calls soft low clucks; alarm a sharp explosive 'pit' note.
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
Red-billed Partridge
Resident in the montane forests of Sumatra and Borneo at 600-2,000 m. Found in primary hill and montane forest.
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
Red-billed Partridge
Altai Snowcock
How to Tell Them Apart
Red-billed Partridge
Brown above streaked darker; throat and face white with fine dark scaling; breast grey; flanks grey with white streaks; distinctive bright red bill and red eye-ring; no rufous breast patches.
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
Red-billed Partridge
红嘴山鹧鸪是印度尼西亚苏门答腊和婆罗洲的山鹧鸪，以其鲜红色嘴部为特征（山鹧鸪属中少见的特征）。体羽以棕褐色为主，具黑白色斑纹。栖息于原始低地雨林，由于低地森林大规模砍伐，面临严重的栖息地丧失威胁，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.