Ferruginous Partridge vs Ring-necked Francolin
Caloperdix oculeus 比較対象 Scleroptila streptophora
Side-by-Side Comparison
| 属性 | Ferruginous Partridge | Ring-necked Francolin |
|---|---|---|
| 学名 | Caloperdix oculeus | Scleroptila streptophora |
| 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) | 29.3 cm (11.5 in) |
| 体重 | 210.5 g (7.43 oz) | 385.0 g (13.58 oz) |
| 食性 | Eats seeds, invertebrates, and small fruits on floor of Southeast Asian lowland and hill forests. … | Eats seeds, roots, invertebrates, and plant material in montane grassland and moorland of central Africa. |
| 一腹卵数 | 8-10 | 4-5 |
| 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.
Ring-necked Francolin
Loud, strident 'keee-KRAAK-keee' calls; East African montane grassland species. Alarm is rapid explosive cackling when flushed from grass. Pairs call at dawn. Flight reveals rufous wing patches.
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.
Ring-necked Francolin
Resident of highland grassland, moorland, and montane scrub in the Cameroon Highlands, Congo, and east to Kenya and Tanzania.
保全状況
Ferruginous Partridge
Ring-necked 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.
Ring-necked Francolin
Brown above with buff shaft streaks; white underparts with bold black streaking; distinctive white throat bordered by dark necklace; white supercilium; red bill and legs. Sexes similar; montane highlands.
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。
Ring-necked Francolin
A medium-sized Phasianidae francolin (~385 g) of highland grassland, heath, and moorland in the Albertine Rift and East Africa. Characterised by a white throat and a bold black ring bordering it. Feeds on grass seeds, bulbs, and invertebrates. Often calls from prominent rocks. Least Concern.