Altai Snowcock vs Hazel Grouse
Tetraogallus altaicus 比較対象 Tetrastes bonasia
Side-by-Side Comparison
| 属性 | Altai Snowcock | Hazel Grouse |
|---|---|---|
| 学名 | Tetraogallus altaicus | Tetrastes bonasia |
| 目 | Galliformes | Galliformes |
| 科 | Phasianidae | Phasianidae |
| 保全状況 | Least Concern | Least Concern |
| 体長 | — | — |
| 翼開長 | 56.9 cm (22.4 in) | — |
| 体重 | 2770.0 g (97.71 oz) | 384.0 g (13.55 oz) |
| 食性 | Feeds on alpine grasses, seeds, berries, and shoots; digs for roots and bulbs in Altai … | Eats buds, catkins, berries, and seeds of deciduous shrubs and trees year-round. Winter diet dominated … |
| 一腹卵数 | 4-15 | 5-14 |
| 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.
Hazel Grouse
Very high-pitched, thin whistled 'tseeee-tsi-tsi-tsi-tseeee'; almost insect-like and easy to miss. Male and female calls differ slightly in pitch. Alarm is a sharp 'tsip'; wing drumming display rare.
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.
Hazel Grouse
Resident across boreal forests of Europe, Russia, and Siberia east to Sakhalin and northern China. Found in mixed conifer-deciduous forest.
保全状況
Altai Snowcock
Hazel Grouse
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 …
Hazel Grouse
Finely mottled grey-brown above; male has black throat bordered white; underparts white with chestnut-brown barring; tail grey with black subterminal band; small red eye-comb; female lacks black throat.
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。
Hazel Grouse
ハシバミライチョウはユーラシアの落葉広葉樹林と針葉樹林の混交林に生息しています。ハシバミの実を好んで食べることから名前がついています。