Red-billed Partridge vs Hill Partridge
Arborophila rubrirostris 比較対象 Arborophila torqueola
Side-by-Side Comparison
| 属性 | Red-billed Partridge | Hill Partridge |
|---|---|---|
| 学名 | Arborophila rubrirostris | Arborophila torqueola |
| 目 | Galliformes | Galliformes |
| 科 | Phasianidae | Phasianidae |
| 保全状況 | Least Concern | Least Concern |
| 体長 | — | — |
| 翼開長 | 26.2 cm (10.3 in) | 27.3 cm (10.7 in) |
| 体重 | 226.0 g (7.97 oz) | 342.0 g (12.06 oz) |
| 食性 | Eats seeds, invertebrates, and small fruits on floor of Bornean montane forests. Little-studied; diet inferred … | Forages on Himalayan forest floor for seeds, invertebrates, and small fruits. Scratches leaf litter in … |
| 一腹卵数 | -- | 3-9 |
| 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.
Hill Partridge
Repeated melodic whistle 'wi-WHEEEOO' rising and falling; pairs often duet. Males sing from hillside undergrowth at dawn. Alarm is a sharp, emphatic 'kek' or staccato 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.
Hill Partridge
Resident in the Himalayas and hills of India, Nepal, Bhutan, and southern China at 1,000-3,500 m. Found in oak and rhododendron forest.
保全状況
Red-billed Partridge
Hill 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.
Hill Partridge
Male has orange-rufous face, white-spotted black throat collar, grey breast, and chestnut flanks streaked white on dark brown back. Female has brown face with buff streaking, less vivid collar.
About These Birds
Red-billed Partridge
A small partridge (~225 g) of family Phasianidae, distinguished by its bright red bill on dark plumage. Endemic to montane forests of Sumatra at 700–2,000 m elevation. Inhabits the forest floor and dense undergrowth of subtropical highland forest. Forages for seeds, berries, and invertebrates. Least Concern; restricted to Sumatran mountains but currently stable with sufficient forest cover remaining.
Hill Partridge
ヒマラヤコリンウズラはヒマラヤ山脈から中国南西部にかけての山地森林に生息するセキショクヤケイ科の鳥です。首の縞模様が特徴的で、密な低木や竹藪に生息します。果実、種子、昆虫を採食します。鳴き声は大きく特徴的です。