Red-billed Spurfowl vs Crested Partridge
Pternistis adspersus 比較対象 Rollulus rouloul
Side-by-Side Comparison
| 属性 | Red-billed Spurfowl | Crested Partridge |
|---|---|---|
| 学名 | Pternistis adspersus | Rollulus rouloul |
| 目 | Galliformes | Galliformes |
| 科 | Phasianidae | Phasianidae |
| 保全状況 | Least Concern | Vulnerable |
| 体長 | — | — |
| 翼開長 | 33.8 cm (13.3 in) | 27.2 cm (10.7 in) |
| 体重 | 466.0 g (16.44 oz) | 250.5 g (8.84 oz) |
| 食性 | Omnivorous; feeds on seeds, berries, bulbs, invertebrates, and small animals in southern African savanna. | Forages on floor of Southeast Asian lowland rainforests for seeds, fallen fruits, and invertebrates. Scratches … |
| 一腹卵数 | 4-10 | 4-6 |
| Population Trend | — | — |
Habitat Comparison
Song & Call Comparison
Red-billed Spurfowl
Loud, rasping 'krak-krak-KRAAK' calls from S African thorn scrub; slightly nasal quality. Red bill visible when calling. Alarm is explosive cackle. Pairs call in antiphonal duet at dawn.
Crested Partridge
High-pitched, thin whistled 'seee' repeated persistently; metallic and insect-like. Males call from forest floor, rarely seen. Alarm is an explosive low grunt followed by rapid wing beats.
Geographic Range & Migration
Red-billed Spurfowl
Resident of dry woodland, savanna, and scrub in Botswana, Namibia, and adjacent South Africa and Zimbabwe.
Crested Partridge
Resident in lowland and foothill rainforest of Myanmar, Thailand, Malaysia, Sumatra, and Borneo. Found below 1,500 m.
保全状況
Red-billed Spurfowl
Crested Partridge
How to Tell Them Apart
Red-billed Spurfowl
Finely vermiculated brown and buff overall; pale buff underparts with dark brown blotching; conspicuous red bill; yellow orbital skin; yellow legs. Sexes similar; lacks streaked plumage of many spurfowl.
Crested Partridge
Male is dark glossy green-black with vivid red-crimson erectile crest; red orbital skin; chestnut wings. Female is entirely bright emerald green with brown wings, red legs, and grey head; among …
About These Birds
Red-billed Spurfowl
A medium Phasianidae spurfowl (~466 g) of dry woodland, thornbush, and savanna in southern Africa from Angola to South Africa. Diagnostic red bill and yellow orbital ring. Pairs or small groups forage on seeds, bulbs, and invertebrates. Frequently encountered at waterholes in arid regions. Least Concern.
Crested Partridge
A small partridge (~250 g) of family Phasianidae, males with vivid crimson crest and iridescent green plumage. Found in lowland tropical rainforests of Southeast Asia including Thailand, Malaysia, Sumatra, and Borneo. Forages on the forest floor for fallen seeds, fruits, and invertebrates. Vulnerable; dependent on primary lowland forest, heavily impacted by deforestation and palm oil expansion.