Chestnut-naped Spurfowl vs Altai Snowcock
Pternistis castaneicollis comparado con Tetraogallus altaicus
Side-by-Side Comparison
| Atributo | Chestnut-naped Spurfowl | Altai Snowcock |
|---|---|---|
| Nombre científico | Pternistis castaneicollis | Tetraogallus altaicus |
| Orden | Galliformes | Galliformes |
| Familia | Phasianidae | Phasianidae |
| Estado de conservación | Least Concern | Least Concern |
| Longitud | — | — |
| Envergadura | 39,1 cm (15.4 in) | 56,9 cm (22.4 in) |
| Peso | 828,75 g (29.23 oz) | 2770,0 g (97.71 oz) |
| Dieta | Feeds on seeds, invertebrates, and plant material in Ethiopian and Eritrean highland forest and scrub. | Feeds on alpine grasses, seeds, berries, and shoots; digs for roots and bulbs in Altai … |
| Tamaño de la puesta | 5-6 | 4-15 |
| Population Trend | — | — |
Habitat Comparison
Song & Call Comparison
Chestnut-naped Spurfowl
Loud, harsh 'KRAAK-krak-krak' calls from Ethiopian highland forest; one of larger spurfowl with deep resonant calls. Alarm is explosive cackle. Pairs call in duet at dawn from forest edge and …
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
Chestnut-naped Spurfowl
Resident of highland scrub, montane grassland, and moorland in Ethiopia and Eritrea, at 1,800–3,700 m.
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.
Estado de conservación
Chestnut-naped Spurfowl
Altai Snowcock
How to Tell Them Apart
Chestnut-naped Spurfowl
Brown above with pale buff streaks; white below with dark streaking; distinctive chestnut-rufous nape and hindneck contrasting with brown mantle; red facial skin; red legs. Sexes similar; Ethiopian highlands.
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
Chestnut-naped Spurfowl
A large Phasianidae spurfowl (~829 g) of highland scrub, forest edges, and cultivated land in Ethiopia, Eritrea, and northern Somalia. Chestnut nape and neck contrast with streaked grey-brown body. Territorial pairs or small groups forage on seeds, roots, and invertebrates. Least Concern in its highland range.
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.