Ferruginous Partridge vs Orange River Francolin
Caloperdix oculeus 对比 Scleroptila gutturalis
Side-by-Side Comparison
| 属性 | Ferruginous Partridge | Orange River Francolin |
|---|---|---|
| 学名 | Caloperdix oculeus | Scleroptila gutturalis |
| 目 | Galliformes | Galliformes |
| 科 | Phasianidae | Phasianidae |
| 保护状况 | Near Threatened | Least Concern |
| 体长 | — | — |
| 翼展 | 28.3 cm (11.1 in) | 32.2 cm (12.7 in) |
| 体重 | 210.5 g (7.43 oz) | 407.3333333333333 g (14.37 oz) |
| 食性 | 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 … |
| 产卵数 | 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.
保护状况
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
锈红山鹑，约210克，锈红色有黑白斑点，分布于马来西亚、苏门答腊和婆罗洲，近危。
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.