Altai Snowcock vs Greater Prairie-chicken
Tetraogallus altaicus 比較対象 Tympanuchus cupido
Side-by-Side Comparison
| 属性 | Altai Snowcock | Greater Prairie-chicken |
|---|---|---|
| 学名 | Tetraogallus altaicus | Tympanuchus cupido |
| 目 | Galliformes | Galliformes |
| 科 | Phasianidae | Phasianidae |
| 保全状況 | Least Concern | Near Threatened |
| 体長 | — | — |
| 翼開長 | 56.9 cm (22.4 in) | 41.0 cm (16.1 in) |
| 体重 | 2770.0 g (97.71 oz) | 872.25 g (30.77 oz) |
| 食性 | Feeds on alpine grasses, seeds, berries, and shoots; digs for roots and bulbs in Altai … | Eats grass seeds, buds, berries, acorns, and invertebrates in North American tallgrass prairie. Insects critical … |
| 一腹卵数 | 4-15 | 5-17 |
| Population Trend | — | — |
Habitat Comparison
Song & Call Comparison
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.
Greater Prairie-chicken
Males boom 'ooo-OOO-ooo' from inflated orange air sacs on lek; haunting, foghorn-like resonance audible 2+ km. Alarm is a sharp cackle; females give soft clucking calls to chicks.
Geographic Range & Migration
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.
Greater Prairie-chicken
Resident in tallgrass prairies of the north-central United States and southern Canada. Found in native prairie. Vulnerable and declining.
保全状況
Altai Snowcock
Greater Prairie-chicken
How to Tell Them Apart
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 …
Greater Prairie-chicken
Strongly barred brown and buff throughout; rounded dark tail; males have elongated dark pinnae feathers on neck; orange eye-comb; orange neck sacs inflated during display; females lack pinnae.
About These Birds
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。
Greater Prairie-chicken
A medium-sized grouse (~870 g) of family Phasianidae, with barred brown plumage and elongated pinnate feathers raised during lek displays. Males inflate orange air sacs and boom loudly at communal leks. Inhabits native tallgrass prairies of central North America. Feeds on grain, seeds, and insects. Near Threatened; dramatic population collapse due to tallgrass prairie conversion and fragmentation.