Spruce Grouse vs Altai Snowcock
Canachites canadensis 比較対象 Tetraogallus altaicus
Side-by-Side Comparison
| 属性 | Spruce Grouse | Altai Snowcock |
|---|---|---|
| 学名 | Canachites canadensis | Tetraogallus altaicus |
| 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 | 468.75 g (16.53 oz) | 2770.0 g (97.71 oz) |
| 食性 | Highly specialized on spruce and fir needles year-round; eats berries, fungi, and invertebrates in summer … | Feeds on alpine grasses, seeds, berries, and shoots; digs for roots and bulbs in Altai … |
| 一腹卵数 | 4-7 | 4-15 |
| Population Trend | — | — |
Habitat Comparison
Song & Call Comparison
Spruce Grouse
Males produce low-frequency wing drumming in short bursts during display; tail fans on ground. Very quiet vocally; alarm a soft 'tsik'. Known as 'fool hen' for fearlessness rather than vocal …
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.
Geographic Range & Migration
Spruce Grouse
Resident of spruce and coniferous forests across boreal North America, from Alaska east to Newfoundland and south through the Rockies.
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.
保全状況
Spruce Grouse
Altai Snowcock
How to Tell Them Apart
Spruce Grouse
Male dark charcoal-grey with black throat and breast bordered by white spots; flanks barred white; red superciliary comb. Female intricately barred tawny-brown, black, and white with buffy undertones.
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 …
About These Birds
Spruce Grouse
体重約469gの北米の北方針葉樹林に生息するライチョウ。トウヒやマツの葉を主食とする。
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。