Sumatran Partridge vs Altai Snowcock
Arborophila sumatrana 比較対象 Tetraogallus altaicus
Side-by-Side Comparison
| 属性 | Sumatran Partridge | Altai Snowcock |
|---|---|---|
| 学名 | Arborophila sumatrana | Tetraogallus altaicus |
| 目 | Galliformes | Galliformes |
| 科 | Phasianidae | Phasianidae |
| 保全状況 | Least Concern | Least Concern |
| 体長 | — | — |
| 翼開長 | 28.2 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 | Eats seeds, invertebrates, and small fruits on floor of Sumatran montane forests. Scratches leaf litter … | Feeds on alpine grasses, seeds, berries, and shoots; digs for roots and bulbs in Altai … |
| 一腹卵数 | -- | 4-15 |
| Population Trend | — | — |
Habitat Comparison
Song & Call Comparison
Sumatran Partridge
Resonant, slow 'phoo-WHEEE' whistle; Sumatran endemic with soft, slightly mournful tone. Calling bird remains concealed. Alarm note a quick repeated 'kik'; flock contact involves quiet murmuring.
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
Sumatran Partridge
Endemic to southern Sumatra in Lampung and South Sumatra provinces at 200-1,200 m. Found in lowland and hill 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.
保全状況
Sumatran Partridge
Altai Snowcock
How to Tell Them Apart
Sumatran Partridge
Dark brown above with buff streaking; throat buff-white; breast grey-brown; flanks grey with white streaks; bare red eye-ring; Sumatran endemic with no bold colour features; cryptic forest floor colouring.
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
Sumatran Partridge
キジ科に属する中型のシャコ（約335g）で、茶褐色の羽毛と鱗状の腹部を持つ。スマトラ島固有種で、標高600〜2,000mの原生林・二次林の高地に生息する。種子・ベリー・無脊椎動物を求めて林床で採食する。軽度懸念；スマトラの山地林は保護区内に相当量が残存し、安定した個体群を支えている。
Altai Snowcock
アルタイセッケイはアルタイ山脈の高山地帯に生息する大型のキジ科の鳥です。険しい岩場の斜面を好み、植物の種子や葉を食べます。