Ferruginous Partridge vs Orange River Francolin
Caloperdix oculeus compared with Scleroptila gutturalis
Side-by-Side Comparison
| Attribute | Ferruginous Partridge | Orange River Francolin |
|---|---|---|
| Scientific Name | Caloperdix oculeus | Scleroptila gutturalis |
| Order | Galliformes | Galliformes |
| Family | Phasianidae | Phasianidae |
| Conservation Status | Near Threatened | Least Concern |
| Length | — | — |
| Wingspan | 28.3 cm (11.1 in) | 32.2 cm (12.7 in) |
| Weight | 210.5 g (7.43 oz) | 407.3333333333333 g (14.37 oz) |
| Diet | Eats seeds, invertebrates, and small fruits on floor of Southeast Asian lowland and hill forests. … | Feeds on seeds, invertebrates, and plant material in semi-arid karoo and open scrub of southern … |
| Clutch Size | 8-10 | 3-8 |
| 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.
Orange River Francolin
Repetitive 'kree-kree-krak' calls from Karoo scrubland; slightly thinner than Grey-winged Francolin. Alarm explosive cackling. S African arid species calling at dawn. Contact 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.
Orange River Francolin
Resident of dry karoo scrub, grassy hillsides, and stony plains in South Africa, Namibia, and Botswana.
Conservation Status
Ferruginous Partridge
Orange River Francolin
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.
Orange River Francolin
Pale sandy-brown above with buff streaks; white underparts boldly streaked dark brown; white throat; rufous primary patch in flight; yellow-orange bill; red legs. Very similar to Red-winged Francolin but paler.
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.
Orange River Francolin
A medium Phasianidae francolin (~407 g) of dry thornveld and sparse scrub along the Orange River basin and Karoo of South Africa and Namibia. Pale rufous-streaked plumage blends with arid surroundings. Feeds on seeds, grass, and invertebrates; forages in pairs or small groups. Least Concern in arid range.