Ferruginous Partridge vs Red-billed Spurfowl
Caloperdix oculeus 比較対象 Pternistis adspersus
Side-by-Side Comparison
| 属性 | Ferruginous Partridge | Red-billed Spurfowl |
|---|---|---|
| 学名 | Caloperdix oculeus | Pternistis adspersus |
| 目 | Galliformes | Galliformes |
| 科 | Phasianidae | Phasianidae |
| 保全状況 | Near Threatened | Least Concern |
| 体長 | — | — |
| 翼開長 | 28.3 cm (11.1 in) | 33.8 cm (13.3 in) |
| 体重 | 210.5 g (7.43 oz) | 466.0 g (16.44 oz) |
| 食性 | Eats seeds, invertebrates, and small fruits on floor of Southeast Asian lowland and hill forests. … | Omnivorous; feeds on seeds, berries, bulbs, invertebrates, and small animals in southern African savanna. |
| 一腹卵数 | 8-10 | 4-10 |
| 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.
Red-billed Spurfowl
Loud, rasping 'krak-krak-KRAAK' calls from S African thorn scrub; slightly nasal quality. Red bill visible when calling. Alarm is explosive cackle. Pairs call in antiphonal duet at dawn.
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.
Red-billed Spurfowl
Resident of dry woodland, savanna, and scrub in Botswana, Namibia, and adjacent South Africa and Zimbabwe.
保全状況
Ferruginous Partridge
Red-billed Spurfowl
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.
Red-billed Spurfowl
Finely vermiculated brown and buff overall; pale buff underparts with dark brown blotching; conspicuous red bill; yellow orbital skin; yellow legs. Sexes similar; lacks streaked plumage of many spurfowl.
About These Birds
Ferruginous Partridge
体重約210gの錆赤色・黒白の斑点を持つヤマウズラ。マレーシア・スマトラ・ボルネオに生息する準絶滅危惧種。
Red-billed Spurfowl
A medium Phasianidae spurfowl (~466 g) of dry woodland, thornbush, and savanna in southern Africa from Angola to South Africa. Diagnostic red bill and yellow orbital ring. Pairs or small groups forage on seeds, bulbs, and invertebrates. Frequently encountered at waterholes in arid regions. Least Concern.