Altai Snowcock vs Tibetan Snowcock
Tetraogallus altaicus в сравнении с Tetraogallus tibetanus
Side-by-Side Comparison
| Характеристика | Altai Snowcock | Tibetan Snowcock |
|---|---|---|
| Научное название | Tetraogallus altaicus | Tetraogallus tibetanus |
| Отряд | Galliformes | Galliformes |
| Семейство | Phasianidae | Phasianidae |
| Охранный статус | Least Concern | Least Concern |
| Длина | — | — |
| Размах крыльев | 56,9 cm (22.4 in) | 52,6 cm (20.7 in) |
| Масса | 2770,0 g (97.71 oz) | 1505,0 g (53.09 oz) |
| Питание | Feeds on alpine grasses, seeds, berries, and shoots; digs for roots and bulbs in Altai … | Grazes on alpine grasses, sedges, seeds, and shoots; supplements with bulbs, roots, and invertebrates on … |
| Размер кладки | 4-15 | 4-5 |
| 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.
Tibetan Snowcock
Loud, melodious whistling 'wheee-whoo-whee' ringing across Tibetan plateau; similar to ptarmigan but richer and more varied. Flocks call together in chorus. Alarm is rapid barking 'kak-kak-kak'.
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.
Tibetan Snowcock
Resident of high-altitude rocky slopes, alpine meadow, and scree on the Tibetan Plateau from Ladakh to western China, at 3,000–5,600 m.
Охранный статус
Altai Snowcock
Tibetan Snowcock
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 …
Tibetan Snowcock
Grey-brown upperparts with pale buff streaking; white underparts with grey breast-band and rufous lateral breast streaks; white face with dark ear patch; white outer tail feathers visible in flight. Sexes …
About These Birds
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.
Tibetan Snowcock
A large Phasianidae snowcock (~1.51 kg) of high Tibetan Plateau and adjacent ranges from Afghanistan to western China, typically at 4,000–6,000 m. White underparts with grey streaks; runs fast on rocky terrain. Feeds on grass roots, leaves, and invertebrates. Least Concern; adapted to extreme altitude.