Dusky Scrubfowl vs Biak Scrubfowl
Megapodius freycinet 比較対象 Megapodius geelvinkianus
Side-by-Side Comparison
| 属性 | Dusky Scrubfowl | Biak Scrubfowl |
|---|---|---|
| 学名 | Megapodius freycinet | Megapodius geelvinkianus |
| 目 | Galliformes | Galliformes |
| 科 | Megapodiidae | Megapodiidae |
| 保全状況 | Least Concern | Near Threatened |
| 体長 | — | — |
| 翼開長 | 42.0 cm (16.5 in) | 42.5 cm (16.7 in) |
| 体重 | 644.5 g (22.73 oz) | 525.0 g (18.52 oz) |
| 食性 | Omnivorous ground forager in New Guinea and island forests; eats fallen fruits, seeds, and invertebrates … | Forages in Biak Island lowland forests for fallen fruits, seeds, and invertebrates scratched from leaf … |
| 一腹卵数 | -- | -- |
| Population Trend | — | — |
Habitat Comparison
Song & Call Comparison
Dusky Scrubfowl
Emits a loud, raucous cackling wail and deep clucking. The wailing cackle is characteristic of eastern Melanesian scrubfowl; carries through Maluku forest edges and secondary scrub.
Biak Scrubfowl
Produces a loud, wailing cackle and guttural clucks. Calls are consistent with other Pacific Megapodius scrubfowl; heard on Biak and Numfoor islands at dusk and dawn.
Geographic Range & Migration
Dusky Scrubfowl
Resident across eastern Indonesia from Lombok east through the Banda Sea islands to the Moluccas and western New Guinea. Found in lowland forest.
Biak Scrubfowl
Endemic to Biak Island and nearby islands in Cenderawasih Bay, West Papua. Found in lowland and coastal forest.
保全状況
Dusky Scrubfowl
Biak Scrubfowl
How to Tell Them Apart
Dusky Scrubfowl
Dark dusky-brown above and below; bare reddish-orange facial skin prominent around eye; brownish-grey crest small but distinct. Underparts only slightly paler than back; bill yellowish; legs pale.
Biak Scrubfowl
Dull brownish with darker brown upperparts; bare reddish periorbital skin; small pale crest on forecrown; underparts grey-buff. Similar to Dusky Scrubfowl but restricted to Biak Island, with slightly paler flanks.
About These Birds
Dusky Scrubfowl
マルク諸島とニューギニア西部に分布するダスキーツカツクリ。体長32〜38cm。暗い茶褐色で赤い顔が特徴的。落葉や腐植土で大きな塚を作り卵を温める。果実や種子、小動物を食べる。低危険種。
Biak Scrubfowl
インドネシアのゲルビンク湾の島々に生息するゲルビンクツカツクリ。体長30〜35cm。塚を使って産卵する習性を持つ。生息地が限定的で、森林伐採や卵の採取により絶滅危惧状態にある。