Przevalski's Partridge vs Western Capercaillie
Alectoris magna 比較対象 Tetrao urogallus
Side-by-Side Comparison
| 属性 | Przevalski's Partridge | Western Capercaillie |
|---|---|---|
| 学名 | Alectoris magna | Tetrao urogallus |
| 目 | Galliformes | Galliformes |
| 科 | Phasianidae | Phasianidae |
| 保全状況 | Least Concern | Least Concern |
| 体長 | — | — |
| 翼開長 | 34.5 cm (13.6 in) | 69.5 cm (27.4 in) |
| 体重 | 553.0 g (19.51 oz) | 3072.5 g (108.38 oz) |
| 食性 | Eats seeds, plant material, and invertebrates in rocky terrain of northwestern China and Central Asia. | Relies on pine and other conifer needles in winter; forages for berries, shoots, herbs, and … |
| 一腹卵数 | 7-20 | 4-12 |
| 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.
Western Capercaillie
Extraordinary lek song: four phases — ticking, popping, cork-pulling, then grinding 'shhhhh'; lasts 6–8 seconds. Largest grouse song; audible 500+ m in European forest. Alarm is a loud bark.
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.
Western Capercaillie
Resident of mature coniferous and mixed forests from Scotland and Scandinavia east through Russia to Siberia; relict populations in central Europe.
保全状況
Przevalski's Partridge
Western Capercaillie
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 …
Western Capercaillie
Strongly dimorphic. Male dark slate-blue with iridescent bottle-green gorget, brown wings, and red wattle over eye; fan-shaped tail. Female cryptically barred ochre, russet, and black with orange breast patch.
About These Birds
Przevalski's Partridge
A large Phasianidae partridge (~553 g) of rocky semi-arid terrain and loess gullies in the Gansu corridor and adjacent Yellow River basin, northern China. Closely related to Chukar but notably larger. Feeds on seeds, leaves, and invertebrates. Tolerates cold winters; forms winter coveys. Least Concern.
Western Capercaillie
北ヨーロッパ・アジアの成熟した針葉樹林に生息するキジ科最大の鳥（体長60〜87cm）。雄は黒い体に赤い眉の皮膚、扇形の尾、白い翼下部が特徴的。Tetrao urogallus（オオライチョウ）の雄の求愛ダンスは独特で、翼を広げて特徴的な音楽的鳴き声を出しながら踊る。生息地の森林減少で多くの地域で個体数が激減。Phasianidae科。