Ferruginous Partridge vs Crested Francolin
Caloperdix oculeus 比較対象 Ortygornis sephaena
Side-by-Side Comparison
| 属性 | Ferruginous Partridge | Crested Francolin |
|---|---|---|
| 学名 | Caloperdix oculeus | Ortygornis sephaena |
| 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) | — |
| 体重 | 210.5 g (7.43 oz) | 336.75 g (11.88 oz) |
| 食性 | Eats seeds, invertebrates, and small fruits on floor of Southeast Asian lowland and hill forests. … | Omnivorous; eats seeds, berries, invertebrates, and small animals in African savanna and dry scrub. |
| 一腹卵数 | 8-10 | 3-9 |
| 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.
Crested Francolin
Loud, insistent 'beer-and-cognac' or 'krrrr-KI-KI' calls repeated incessantly at dawn; African savanna species. Alarm is rapid cackling when flushed. Often runs with cocked tail before taking flight.
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.
Crested Francolin
Resident of dry acacia scrub, woodland, and savanna from Ethiopia and Kenya south to South Africa and west to Senegal.
保全状況
Ferruginous Partridge
Crested 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.
Crested Francolin
Dark brown above with buff shaft streaks; white below with dense dark brown streaking; dark brown cap with slight crest often held raised; white supercilium; rufous tail; red legs. Sexes …
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。
Crested Francolin
A small Phasianidae francolin (~337 g) of thornbush, riverine thickets, and dry woodland across sub-Saharan East and southern Africa. Named for the male's distinctive raised crest. Loud, repetitive calls at dusk are characteristic. Feeds on seeds, tubers, and invertebrates. Common in suitable scrubby habitat; Least Concern.