Ferruginous Partridge vs Crimson-headed Partridge
Caloperdix oculeus compared with Haematortyx sanguiniceps
Side-by-Side Comparison
| Attribute | Ferruginous Partridge | Crimson-headed Partridge |
|---|---|---|
| Scientific Name | Caloperdix oculeus | Haematortyx sanguiniceps |
| Order | Galliformes | Galliformes |
| Family | Phasianidae | Phasianidae |
| Conservation Status | Near Threatened | Least Concern |
| Length | — | — |
| Wingspan | 28.3 cm (11.1 in) | 31.1 cm (12.2 in) |
| Weight | 210.5 g (7.43 oz) | 315.0 g (11.11 oz) |
| Diet | Eats seeds, invertebrates, and small fruits on floor of Southeast Asian lowland and hill forests. … | Forages in Bornean hill forest for seeds, fruits, and invertebrates; scratches leaf litter on steep … |
| Clutch Size | 8-10 | 8-9 |
| 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.
Crimson-headed Partridge
Loud, repeated 'wee-WEE-oo' whistle from Bornean montane forest floor; melodic and pure. Pairs occasionally duet. Alarm is sharp staccato cackle. Contact calls low clucking.
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.
Crimson-headed Partridge
Endemic to Borneo; resident of hill and lower montane forest in Sabah, Sarawak, and Kalimantan, mainly at 300–1,500 m.
Conservation Status
Ferruginous Partridge
Crimson-headed 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.
Crimson-headed Partridge
Striking male with vivid crimson-red head contrasting with black body; white belly with black scaling; red legs. Female duller: brown where male is black, orange-buff head lacks brilliant crimson of …
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.
Crimson-headed Partridge
A distinctive Phasianidae partridge (~315 g) endemic to montane forests of Borneo, especially on Mount Kinabalu and the Crocker Range. Males bear a vivid crimson head contrasting with dark brown body plumage. Ground-dwelling; feeds on seeds and small invertebrates. Largely confined to forest above 900 m. Least Concern.