Long-billed Partridge vs Altai Snowcock
Rhizothera longirostris 比較対象 Tetraogallus altaicus
Side-by-Side Comparison
| 属性 | Long-billed Partridge | Altai Snowcock |
|---|---|---|
| 学名 | Rhizothera longirostris | Tetraogallus altaicus |
| 目 | Galliformes | Galliformes |
| 科 | Phasianidae | Phasianidae |
| 保全状況 | Near Threatened | Least Concern |
| 体長 | — | — |
| 翼開長 | 36.9 cm (14.5 in) | 56.9 cm (22.4 in) |
| 体重 | 748.5 g (26.40 oz) | 2770.0 g (97.71 oz) |
| 食性 | Forages in lowland rainforest for seeds, fallen fruit, invertebrates, and small animals; probes leaf litter … | Feeds on alpine grasses, seeds, berries, and shoots; digs for roots and bulbs in Altai … |
| 一腹卵数 | 2-5 | 4-15 |
| Population Trend | — | — |
Habitat Comparison
Song & Call Comparison
Long-billed Partridge
Loud, resonant 'whurr-WHEEE' whistle from Bornean lowland forest; far-carrying and slightly mournful. Alarm is a rapid chattering cackle. Contact calls between pairs are low, guttural 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
Long-billed Partridge
Resident of lowland and hill dipterocarp forest in peninsular Malaysia, Sumatra, and Borneo up to 900 m elevation.
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
Long-billed Partridge
Altai Snowcock
How to Tell Them Apart
Long-billed Partridge
Rich chestnut-brown upperparts with black scalloping; pale grey face and throat; buff-white underparts with dark brown streaking on flanks; distinctive elongated pale yellow bill and red orbital skin.
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
Long-billed Partridge
A distinctive Phasianidae partridge (~749 g) of lowland and foothill rainforests in Sundaland. Named for its notably elongated bill used to probe leaf litter for invertebrates and seeds. Secretive and seldom seen; Near Threatened from deforestation across Borneo and the Malay Peninsula.
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。