Red-billed Partridge vs Ferruginous Partridge
Arborophila rubrirostris 对比 Caloperdix oculeus
Side-by-Side Comparison
| 属性 | Red-billed Partridge | Ferruginous Partridge |
|---|---|---|
| 学名 | Arborophila rubrirostris | Caloperdix oculeus |
| 目 | Galliformes | Galliformes |
| 科 | Phasianidae | Phasianidae |
| 保护状况 | Least Concern | Near Threatened |
| 体长 | — | — |
| 翼展 | 26.2 cm (10.3 in) | 28.3 cm (11.1 in) |
| 体重 | 226.0 g (7.97 oz) | 210.5 g (7.43 oz) |
| 食性 | Eats seeds, invertebrates, and small fruits on floor of Bornean montane forests. Little-studied; diet inferred … | Eats seeds, invertebrates, and small fruits on floor of Southeast Asian lowland and hill forests. … |
| 产卵数 | -- | 8-10 |
| Population Trend | — | — |
Habitat Comparison
Song & Call Comparison
Red-billed Partridge
Clear, high-pitched 'wheee-oop' whistle; slurred downward at end. Borneo endemic calling from montane understorey. Contact calls soft low clucks; alarm a sharp explosive 'pit' note.
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-billed Partridge
Resident in the montane forests of Sumatra and Borneo at 600-2,000 m. Found in primary hill and montane forest.
Ferruginous Partridge
Resident in lowland rainforest of the Thai-Malay Peninsula, Sumatra, and Borneo. Found in flat or gently sloping lowland forest.
保护状况
Red-billed Partridge
Ferruginous Partridge
How to Tell Them Apart
Red-billed Partridge
Brown above streaked darker; throat and face white with fine dark scaling; breast grey; flanks grey with white streaks; distinctive bright red bill and red eye-ring; no rufous breast patches.
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-billed Partridge
红嘴山鹧鸪是印度尼西亚苏门答腊和婆罗洲的山鹧鸪，以其鲜红色嘴部为特征（山鹧鸪属中少见的特征）。体羽以棕褐色为主，具黑白色斑纹。栖息于原始低地雨林，由于低地森林大规模砍伐，面临严重的栖息地丧失威胁，被列为易危物种。
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。