Grey Peacock-Pheasant vs Altai Snowcock
Polyplectron bicalcaratum so với Tetraogallus altaicus
Side-by-Side Comparison
| Thuộc Tính | Grey Peacock-Pheasant | Altai Snowcock |
|---|---|---|
| Tên Khoa Học | Polyplectron bicalcaratum | Tetraogallus altaicus |
| Bộ | Galliformes | Galliformes |
| Họ | Phasianidae | Phasianidae |
| Tình Trạng Bảo Tồn | Least Concern | Least Concern |
| Chiều Dài | — | — |
| Chiều Dài Sải Cánh | 40,2 cm (15.8 in) | 56,9 cm (22.4 in) |
| Khối Lượng | 479,75 g (16.92 oz) | 2770,0 g (97.71 oz) |
| Chế Độ Ăn | Omnivorous forest floor forager; takes seeds, fruits, invertebrates, and small vertebrates in mainland SE Asia. | Feeds on alpine grasses, seeds, berries, and shoots; digs for roots and bulbs in Altai … |
| Số Trứng | 2-5 | 4-15 |
| Population Trend | — | — |
Habitat Comparison
Song & Call Comparison
Grey Peacock-Pheasant
Loud, penetrating 'kow-WEE' whistle; most vocal of peacock-pheasants, ringing through SE Asian forest. Male calls while displaying ocellated tail. Alarm is sharp 'kak'. Heard at dawn and dusk.
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
Grey Peacock-Pheasant
Resident of hill and montane forest from northeastern India and Bangladesh east through Myanmar to southern China and mainland Southeast Asia.
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
Grey Peacock-Pheasant
Altai Snowcock
How to Tell Them Apart
Grey Peacock-Pheasant
Grey-brown with buff-white shaft streaks and dark vermiculations; large oval iridescent green and purple ocelli on wing coverts and tail; white-scaled face; yellow orbital skin. Female similar but smaller ocelli.
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
Grey Peacock-Pheasant
The most widespread Polyplectron peacock-pheasant (~480 g), inhabiting forest understorey from northeastern India through mainland Southeast Asia. Males are grey-brown peppered with violet-green ocelli. Forages on the ground for seeds, invertebrates, and small reptiles. Tolerates secondary forest; 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.