Ferruginous Partridge vs Chestnut-throated Partridge
Caloperdix oculeus compared with Tetraophasis obscurus
Side-by-Side Comparison
| Attribute | Ferruginous Partridge | Chestnut-throated Partridge |
|---|---|---|
| Scientific Name | Caloperdix oculeus | Tetraophasis obscurus |
| Order | Galliformes | Galliformes |
| Family | Phasianidae | Phasianidae |
| Conservation Status | Near Threatened | Least Concern |
| Length | — | — |
| Wingspan | 28.3 cm (11.1 in) | 41.2 cm (16.2 in) |
| Weight | 210.5 g (7.43 oz) | 832.6666666666666 g (29.37 oz) |
| Diet | Eats seeds, invertebrates, and small fruits on floor of Southeast Asian lowland and hill forests. … | Eats berries, seeds, leaves, moss, and invertebrates in Tibetan plateau scrub and rocky alpine meadows. … |
| Clutch Size | 8-10 | 3-5 |
| Population Trend | — | — |
Habitat Comparison
Shared Habitats
Ferruginous Partridge only
None
Chestnut-throated Partridge only
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.
Chestnut-throated Partridge
Harsh, cackling 'kak-kak-kak-kerrr' calls from Sichuan subalpine scrub; alarm note a loud single 'KRAK'. Sings in accelerating bursts of clucking then pauses; territorial calls carry widely.
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.
Chestnut-throated Partridge
Endemic to the mountains of central Sichuan, China, at 2,500-4,000 m. Found in rhododendron and mixed coniferous-broadleaf forest.
Conservation Status
Ferruginous Partridge
Chestnut-throated Partridge
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.
Chestnut-throated Partridge
Grey above finely vermiculated; throat and upper breast chestnut; lower breast grey; flanks chestnut with white shaft-streaks; bare red facial skin; tail chestnut. Chestnut throat contrasts with grey body.
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.
Chestnut-throated Partridge
A medium-large pheasant-partridge (~835 g) of family Phasianidae, with chestnut throat and mottled brown-grey plumage. Inhabits high-altitude coniferous and mixed forests in the mountains of southwestern China, including Sichuan and Yunnan, at 2,700–4,200 m. Forages for berries, seeds, and invertebrates. Least Concern; resident of remote high-altitude forests with limited human disturbance.