Altai Snowcock vs Sabah Partridge

Tetraogallus altaicus compared with Tropicoperdix graydoni

Side-by-Side Comparison

Attribute Altai Snowcock Sabah Partridge
Scientific Name Tetraogallus altaicus Tropicoperdix graydoni
Order Galliformes Galliformes
Family Phasianidae Phasianidae
Conservation Status Least Concern Near Threatened
Length
Wingspan 56.9 cm (22.4 in)
Weight 2770.0 g (97.71 oz)
Diet Feeds on alpine grasses, seeds, berries, and shoots; digs for roots and bulbs in Altai … Feeds on seeds, fruits, and invertebrates in Sabah forest; poorly known diet inferred from related …
Clutch Size 4-15 --
Population Trend

Habitat Comparison

Shared Habitats

None

Altai Snowcock only

Sabah Partridge only

Song & Call Comparison

Altai Snowcock

Song

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.

Sabah Partridge

Song

Whistled 'wheee-oo' call from Sabah lowland forest; similar to Chestnut-necklaced Partridge but considered distinct. Very poorly known vocally. Alarm presumably sharp 'kek'; contact clucking low.

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.

Sabah Partridge

Endemic to Sabah, Borneo (Malaysia); resident of submontane and montane forest above 900 m.

Conservation Status

Least Concern

Altai Snowcock

Near Threatened

Sabah Partridge

How to Tell Them Apart

Altai Snowcock

Plumage

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 …

Sabah Partridge

Plumage

Brown upperparts with dusky vermiculations; white supercilium; buffy-orange underparts; chestnut patch on breast less pronounced than in Chestnut-necklaced Partridge; greenish-grey legs; restricted to Borneo.

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.

Sabah Partridge

A little-studied Phasianidae partridge endemic to forests of Sabah and adjacent northeastern Borneo. Formerly lumped with the Chestnut-necklaced Partridge; recently elevated to full species status. Biology poorly known; presumed to forage on seeds and invertebrates in lowland forest. Near Threatened.

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