Przevalski's Partridge vs White-tailed Ptarmigan
Alectoris magna 对比 Lagopus leucura
Side-by-Side Comparison
| 属性 | Przevalski's Partridge | White-tailed Ptarmigan |
|---|---|---|
| 学名 | Alectoris magna | Lagopus leucura |
| 目 | Galliformes | Galliformes |
| 科 | Phasianidae | Phasianidae |
| 保护状况 | Least Concern | Least Concern |
| 体长 | — | — |
| 翼展 | 34.5 cm (13.6 in) | 34.6 cm (13.6 in) |
| 体重 | 553.0 g (19.51 oz) | 361.8 g (12.76 oz) |
| 食性 | Eats seeds, plant material, and invertebrates in rocky terrain of northwestern China and Central Asia. | Eats alpine willow and heather buds and leaves; switches to berries and insects in summer. … |
| 产卵数 | 7-20 | 2-9 |
| Population Trend | — | — |
Habitat Comparison
Song & Call Comparison
Przevalski's Partridge
Loud, resonant 'chuck-chuck-CHURR' calls from Chinese loess plateau and Qinghai rocky terrain; lower and slightly fuller than Chukar. Alarm is rapid harsh cackle. Pairs call in duet at dawn.
White-tailed Ptarmigan
Soft, chicken-like clucking 'ko-ko-ko'; quiet relative to other ptarmigan. Alarm is a sharp 'kek' series. Males give low, croaking calls on alpine tundra at dawn. Flock contact is muted burbling.
Geographic Range & Migration
Przevalski's Partridge
Resident of rocky semi-arid hillsides in northwestern China (Qinghai, Gansu, Xinjiang) and adjacent Mongolia, at 1,500–3,500 m.
White-tailed Ptarmigan
Breeds in alpine tundra from Alaska south through the Rockies to New Mexico. Largely resident, descending to lower elevations in winter.
保护状况
Przevalski's Partridge
White-tailed Ptarmigan
How to Tell Them Apart
Przevalski's Partridge
Large partridge; grey upperparts; white face and throat with narrow black gorget; broader and more distinct chestnut and white barring on flanks than Chukar; grey breast; red bill; larger overall …
White-tailed Ptarmigan
Winter: entirely white; summer: back and breast mottled brown-and-white; tail always white, unlike other ptarmigans; red eye-comb; feathered feet white year-round. All-white tail in all seasons is unique.
About These Birds
Przevalski's Partridge
大石鸡（Alectoris magna），体重约553克，分布于甘肃走廊地区的干旱半干旱岩石地带和黄土沟壑。属雉科（Phasianidae），是中国西北特有种，种群数量较少。
White-tailed Ptarmigan
The smallest ptarmigan (~360 g) of family Phasianidae; the only ptarmigan with a white tail year-round. Inhabits alpine tundra and rocky slopes above treeline in the Rocky Mountains from Alaska to New Mexico. Plumage turns all-white in winter for camouflage. Feeds on willows, sedges, and berries. Least Concern; well adapted to extreme mountain environments but vulnerable to climate warming.