Ferruginous Partridge vs Mountain Peacock-Pheasant
Caloperdix oculeus compared with Polyplectron inopinatum
Side-by-Side Comparison
| Attribute | Ferruginous Partridge | Mountain Peacock-Pheasant |
|---|---|---|
| Scientific Name | Caloperdix oculeus | Polyplectron inopinatum |
| Order | Galliformes | Galliformes |
| Family | Phasianidae | Phasianidae |
| Conservation Status | Near Threatened | Near Threatened |
| Length | — | — |
| Wingspan | 28.3 cm (11.1 in) | 37.2 cm (14.6 in) |
| Weight | 210.5 g (7.43 oz) | 477.0 g (16.83 oz) |
| Diet | Eats seeds, invertebrates, and small fruits on floor of Southeast Asian lowland and hill forests. … | Feeds on seeds, fruits, and invertebrates in Malaysian montane forest; forages by scratching leaf litter. |
| Clutch Size | 8-10 | 2 |
| 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.
Mountain Peacock-Pheasant
Clear, slightly plaintive 'kwee-oo' whistle from Malay Peninsula cloud forest; melodic for a peacock-pheasant. Male calls during display. Alarm is an abrupt 'kak'. Contact is quiet 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.
Mountain Peacock-Pheasant
Endemic to the Malay Peninsula (Cameron Highlands area); resident of montane forest above 900 m; very poorly known.
Conservation Status
Ferruginous Partridge
Mountain Peacock-Pheasant
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.
Mountain Peacock-Pheasant
Dark brown with white shaft streaking; circular iridescent greenish ocelli on wing coverts and tail; pinkish-red orbital skin; buff speckled face. Female similar with smaller ocelli; montane Malayan endemic.
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.
Mountain Peacock-Pheasant
A medium-small Phasianidae pheasant (~477 g) restricted to montane mossy and oak forests above 1,000 m in the Malay Peninsula. Males are brown with sparse violet ocelli; plumage less ornamented than lowland relatives. Sedentary and secretive. Near Threatened from montane forest degradation.