Red-legged Partridge vs Ferruginous Partridge
Alectoris rufa 比較対象 Caloperdix oculeus
Side-by-Side Comparison
| 属性 | Red-legged Partridge | Ferruginous Partridge |
|---|---|---|
| 学名 | Alectoris rufa | Caloperdix oculeus |
| 目 | Galliformes | Galliformes |
| 科 | Phasianidae | Phasianidae |
| 保全状況 | Near Threatened | Near Threatened |
| 体長 | — | — |
| 翼開長 | 31.1 cm (12.2 in) | 28.3 cm (11.1 in) |
| 体重 | 489.5 g (17.27 oz) | 210.5 g (7.43 oz) |
| 食性 | Omnivorous; eats seeds, plant shoots, berries, and invertebrates in rocky farmland and scrub of SW … | Eats seeds, invertebrates, and small fruits on floor of Southeast Asian lowland and hill forests. … |
| 一腹卵数 | 11-13 | 8-10 |
| Population Trend | — | — |
Habitat Comparison
Song & Call Comparison
Red-legged Partridge
Loud, rhythmic 'chuck-chu-chukar' or 'chuk-chuk-chukAR' calls; European farmland with slightly nasal quality. Alarm is rapid harsh cackling. Pairs call in duet. Very vocal at dusk on Spanish farmland.
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.
Geographic Range & Migration
Red-legged Partridge
Resident of rocky hillsides, scrub, and farmland in France, Iberian Peninsula, and UK (introduced); native to southwest Europe.
Ferruginous Partridge
Resident in lowland rainforest of the Thai-Malay Peninsula, Sumatra, and Borneo. Found in flat or gently sloping lowland forest.
保全状況
Red-legged Partridge
Ferruginous Partridge
How to Tell Them Apart
Red-legged Partridge
Blue-grey upperparts; bold chestnut and white barred flanks; white face and throat bordered by black gorget with black streaks; red bill and legs; grey-blue breast; brown back. Sexes similar; iconic …
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.
About These Birds
Red-legged Partridge
ヨーロッパ南西部（スペイン、フランス、イギリス等）の岩地や乾燥した草地に生息するヤマウズラ（体長32〜35cm）。赤い嘴と脚、黒・白・栗色のストライプが特徴的。Alectoris rufa（アカアシヤマウズラ）はゲームバードとして狩猟の対象となり、広くヨーロッパに移入されてきた。現在は生息地の減少により個体数が減少傾向にある。Phasianidae科。
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。