Caucasian Grouse vs Altai Snowcock
Lyrurus mlokosiewiczi so với Tetraogallus altaicus
Side-by-Side Comparison
| Thuộc Tính | Caucasian Grouse | Altai Snowcock |
|---|---|---|
| Tên Khoa Học | Lyrurus mlokosiewiczi | Tetraogallus altaicus |
| Bộ | Galliformes | Galliformes |
| Họ | Phasianidae | Phasianidae |
| Tình Trạng Bảo Tồn | Near Threatened | Least Concern |
| Chiều Dài | — | — |
| Chiều Dài Sải Cánh | 39,6 cm (15.6 in) | 56,9 cm (22.4 in) |
| Khối Lượng | 839,25 g (29.60 oz) | 2770,0 g (97.71 oz) |
| Chế Độ Ăn | Eats buds, young shoots, and seeds of alpine plants; supplements diet with berries and insects … | Feeds on alpine grasses, seeds, berries, and shoots; digs for roots and bulbs in Altai … |
| Số Trứng | 2-13 | 4-15 |
| Population Trend | — | — |
Habitat Comparison
Song & Call Comparison
Caucasian Grouse
Males produce melodic, slightly gurgling 'woo-woo-woo' bubbling calls on alpine lek; softer than Black Grouse. Alarm is a harsh cackle. Caucasus endemic with less elaborate display than Black Grouse.
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
Caucasian Grouse
Endemic to alpine meadows and rocky slopes in the Caucasus Mountains, at 1,700 m to treeline; found in Georgia, Armenia, Azerbaijan, and Russia.
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.
Tình Trạng Bảo Tồn
Caucasian Grouse
Altai Snowcock
How to Tell Them Apart
Caucasian Grouse
Male uniform velvety blue-black lacking white wing bar, with downcurved outer tail feathers forming lyre shape; small red wattle. Female finely barred buff-brown; lacks rufous tones of Black Grouse female.
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
Caucasian Grouse
A medium-sized Phasianidae grouse (~839 g) endemic to subalpine meadows and shrublands of the Caucasus Mountains. Males are wholly blue-black; females are barred brown. Feeds on alpine plants, berries, and insects. Near Threatened owing to hunting and habitat degradation at elevation.
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.