Przevalski's Partridge vs Gunnison Grouse
Alectoris magna 对比 Centrocercus minimus
Side-by-Side Comparison
| 属性 | Przevalski's Partridge | Gunnison Grouse |
|---|---|---|
| 学名 | Alectoris magna | Centrocercus minimus |
| 目 | Galliformes | Galliformes |
| 科 | Phasianidae | Phasianidae |
| 保护状况 | Least Concern | Endangered |
| 体长 | — | — |
| 翼展 | 34.5 cm (13.6 in) | 57.0 cm (22.4 in) |
| 体重 | 553.0 g (19.51 oz) | 1575.0 g (55.56 oz) |
| 食性 | Eats seeds, plant material, and invertebrates in rocky terrain of northwestern China and Central Asia. | Highly dependent on sagebrush for winter foliage; eats forbs and invertebrates in spring and summer. … |
| 产卵数 | 7-20 | 6-10 |
| 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.
Gunnison Grouse
Lek display similar to Sage Grouse but faster and higher-pitched: 'swish-swish-ploop-ploop'; 9-note sequence vs. 7 in Sage Grouse. Plume rattle more pronounced. Alarm is harsh cacking.
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.
Gunnison Grouse
Endemic to Gunnison Basin and adjacent areas of southwestern Colorado. Found in sagebrush habitat. Critically endangered.
保护状况
Przevalski's Partridge
Gunnison Grouse
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 …
Gunnison Grouse
Male similar to Sage Grouse but smaller; black belly, white breast, spiky tail with more white barring; prominent white neck filoplumes; yellow eye-combs; yellow-green breast air sacs used in display.
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。
Gunnison Grouse
冈尼森草原松鸡，约1.6千克，濒危，分布于科罗拉多州西南部冈尼森盆地和犹他州小范围地区，不足5,000只，依赖大艾蒿。