Red-billed Partridge vs Ahanta Spurfowl
Arborophila rubrirostris 比較対象 Pternistis ahantensis
Side-by-Side Comparison
| 属性 | Red-billed Partridge | Ahanta Spurfowl |
|---|---|---|
| 学名 | Arborophila rubrirostris | Pternistis ahantensis |
| 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) | 34.6 cm (13.6 in) |
| 体重 | 226.0 g (7.97 oz) | 547.5 g (19.31 oz) |
| 食性 | Eats seeds, invertebrates, and small fruits on floor of Bornean montane forests. Little-studied; diet inferred … | Feeds on seeds, invertebrates, and plant matter in West African lowland forest and thicket. |
| 一腹卵数 | -- | 3-12 |
| 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.
Ahanta Spurfowl
Loud, staccato 'krak-krak-KRAAK' from W African forest edge; slightly higher than larger spurfowl. Alarm is rapid explosive cackling. Pairs call in loose synchrony at dawn in secondary growth.
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.
Ahanta Spurfowl
Resident of dense lowland and coastal forest in West Africa from Ghana to Cameroon; also found in Bioko Island.
保全状況
Red-billed Partridge
Ahanta Spurfowl
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.
Ahanta Spurfowl
Dark brown above with pale buff shaft streaks; whitish below with dark brown streaking; red bill; red orbital skin; yellow legs. Sexes similar; closely resembles Double-spurred Spurfowl; West African forests.
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.
Ahanta Spurfowl
A medium Phasianidae spurfowl (~548 g) of lowland and secondary forest edges in West Africa from Ivory Coast to Nigeria. Dark brown streaked white; red orbital skin. Forages on the ground in pairs or small groups for seeds, berries, and invertebrates. Tolerates forest fragments; Least Concern.