Altai Snowcock vs Chestnut-necklaced Partridge
Tetraogallus altaicus comparado con Tropicoperdix charltonii
Side-by-Side Comparison
| Atributo | Altai Snowcock | Chestnut-necklaced Partridge |
|---|---|---|
| Nombre científico | Tetraogallus altaicus | Tropicoperdix charltonii |
| Orden | Galliformes | Galliformes |
| Familia | Phasianidae | Phasianidae |
| Estado de conservación | Least Concern | Vulnerable |
| Longitud | — | — |
| Envergadura | 56,9 cm (22.4 in) | — |
| Peso | 2770,0 g (97.71 oz) | 270,0 g (9.52 oz) |
| Dieta | Feeds on alpine grasses, seeds, berries, and shoots; digs for roots and bulbs in Altai … | Ground forager; eats seeds, berries, invertebrates, and small animals in SE Asian lowland and foothill … |
| Tamaño de la puesta | 4-15 | -- |
| Population Trend | — | — |
Habitat Comparison
Hábitats compartidos
Ninguno
Altai Snowcock only
Chestnut-necklaced Partridge only
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.
Chestnut-necklaced Partridge
Clear, ringing 'wii-OO' whistle from Bornean forest understorey; pure and slightly mournful. Alarm is a sharp explosive 'kek'. Pairs call in loose coordination at dawn. Contact notes low, clucking.
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.
Chestnut-necklaced Partridge
Resident of lowland and hill forest in peninsular Malaysia, Sumatra, and southern Thailand, from sea level to 1,000 m.
Estado de conservación
Altai Snowcock
Chestnut-necklaced Partridge
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 …
Chestnut-necklaced Partridge
Brown upperparts with dark scaling; broad chestnut pectoral band across buff-white breast; white supercilium; pale orange-buff flanks; green legs. Female paler with narrower or absent chestnut necklace.
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.
Chestnut-necklaced Partridge
A small Phasianidae partridge (~270 g) of lowland and hill dipterocarp forests in the Thai-Malay Peninsula, Sumatra, and Borneo. Characterised by a chestnut gorget on the upper breast. Forages for seeds and invertebrates in dense understorey. Vulnerable from extensive lowland forest conversion.