White Eared-pheasant vs Altai Snowcock
Crossoptilon crossoptilon в сравнении с Tetraogallus altaicus
Side-by-Side Comparison
| Характеристика | White Eared-pheasant | Altai Snowcock |
|---|---|---|
| Научное название | Crossoptilon crossoptilon | Tetraogallus altaicus |
| Отряд | Galliformes | Galliformes |
| Семейство | Phasianidae | Phasianidae |
| Охранный статус | Least Concern | Least Concern |
| Длина | — | — |
| Размах крыльев | 62,5 cm (24.6 in) | 56,9 cm (22.4 in) |
| Масса | 2137,5 g (75.40 oz) | 2770,0 g (97.71 oz) |
| Питание | Forages by digging for tubers, bulbs, roots, and invertebrates; supplements with seeds and plant material … | Feeds on alpine grasses, seeds, berries, and shoots; digs for roots and bulbs in Altai … |
| Размер кладки | 4-7 | 4-15 |
| Population Trend | — | — |
Habitat Comparison
Song & Call Comparison
White Eared-pheasant
Loud, raucous 'gak-gak-GAAK' crows; harsh and cackling, audible across Sichuan mountain forest. Flock calls noisy and sustained. Alarm is rapid loud honking; contact clucks are guttural and low.
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
White Eared-pheasant
Resident of open forest, alpine scrub, and meadow in eastern Tibet and western Sichuan (China), at 3,000–4,800 m elevation.
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.
Охранный статус
White Eared-pheasant
Altai Snowcock
How to Tell Them Apart
White Eared-pheasant
Predominantly white with black crown and glossy blue-black tail; brownish flight feathers; white ear tufts; red facial skin and legs. Among the whitest of pheasants; sexes nearly identical in plumage.
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
White Eared-pheasant
A large, social Phasianidae pheasant (~2.14 kg) of high-altitude coniferous and mixed forests in Sichuan and Tibet. Predominantly white with black cap and crimson facial skin. Groups dig for roots and bulbs with strong feet. Largely sympatric with pandas; protected in reserves. Least Concern.
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.