Ferruginous Partridge vs Tibetan Snowcock
Caloperdix oculeus compared with Tetraogallus tibetanus
Side-by-Side Comparison
| Attribute | Ferruginous Partridge | Tibetan Snowcock |
|---|---|---|
| Scientific Name | Caloperdix oculeus | Tetraogallus tibetanus |
| Order | Galliformes | Galliformes |
| Family | Phasianidae | Phasianidae |
| Conservation Status | Near Threatened | Least Concern |
| Length | — | — |
| Wingspan | 28.3 cm (11.1 in) | 52.6 cm (20.7 in) |
| Weight | 210.5 g (7.43 oz) | 1505.0 g (53.09 oz) |
| Diet | Eats seeds, invertebrates, and small fruits on floor of Southeast Asian lowland and hill forests. … | Grazes on alpine grasses, sedges, seeds, and shoots; supplements with bulbs, roots, and invertebrates on … |
| Clutch Size | 8-10 | 4-5 |
| Population Trend | — | — |
Habitat Comparison
Song & Call Comparison
Ferruginous Partridge
Sharp, staccato 'krik-krik-krik' calls from lowland rainforest; often given in duet. Alarm is a loud, rapid chattering rattle; contact notes between pairs soft and clucking.
Tibetan Snowcock
Loud, melodious whistling 'wheee-whoo-whee' ringing across Tibetan plateau; similar to ptarmigan but richer and more varied. Flocks call together in chorus. Alarm is rapid barking 'kak-kak-kak'.
Geographic Range & Migration
Ferruginous Partridge
Resident in lowland rainforest of the Thai-Malay Peninsula, Sumatra, and Borneo. Found in flat or gently sloping lowland forest.
Tibetan Snowcock
Resident of high-altitude rocky slopes, alpine meadow, and scree on the Tibetan Plateau from Ladakh to western China, at 3,000–5,600 m.
Conservation Status
Ferruginous Partridge
Tibetan Snowcock
How to Tell Them Apart
Ferruginous Partridge
Rich ferruginous (deep rusty-orange) overall; upperparts black-and-rufous barred; flanks black boldly spotted white; bare red facial skin; underparts rufous-orange; one of the most vividly coloured Southeast Asian partridges.
Tibetan Snowcock
Grey-brown upperparts with pale buff streaking; white underparts with grey breast-band and rufous lateral breast streaks; white face with dark ear patch; white outer tail feathers visible in flight. Sexes …
About These Birds
Ferruginous Partridge
A small partridge (~210 g) of family Phasianidae, with rich ferruginous (rust-red) plumage and spotted black-and-white markings. Inhabits lowland and foothill rainforests in Malaysia, Sumatra, and Borneo. Secretive, foraging on the forest floor for seeds and invertebrates. Near Threatened; associated with primary and tall secondary forest, declining with ongoing logging and land conversion.
Tibetan Snowcock
A large Phasianidae snowcock (~1.51 kg) of high Tibetan Plateau and adjacent ranges from Afghanistan to western China, typically at 4,000–6,000 m. White underparts with grey streaks; runs fast on rocky terrain. Feeds on grass roots, leaves, and invertebrates. Least Concern; adapted to extreme altitude.