Spruce Grouse vs Altai Snowcock
Canachites canadensis 对比 Tetraogallus altaicus
Side-by-Side Comparison
| 属性 | Spruce Grouse | Altai Snowcock |
|---|---|---|
| 学名 | Canachites canadensis | Tetraogallus altaicus |
| 目 | Galliformes | Galliformes |
| 科 | Phasianidae | Phasianidae |
| 保护状况 | Least Concern | Least Concern |
| 体长 | — | — |
| 翼展 | — | 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 … |
| 产卵数 | 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.
保护状况
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
云杉雷鸟，约469克，分布于北美北方针叶林，专食云杉和松树针叶。
Altai Snowcock
The largest snowcock (~2.77 kg), family Phasianidae, of alpine scree and subalpine meadows in the Altai and Tian Shan ranges of Central Asia. Heavily built, grey and white with rusty-brown markings. Feeds on roots, bulbs, and alpine plants. Forms small flocks outside breeding season. Least Concern.