New Guinea Scrubfowl vs Biak Scrubfowl
Megapodius decollatus 比較対象 Megapodius geelvinkianus
Side-by-Side Comparison
| 属性 | New Guinea Scrubfowl | Biak Scrubfowl |
|---|---|---|
| 学名 | Megapodius decollatus | Megapodius geelvinkianus |
| 目 | Galliformes | Galliformes |
| 科 | Megapodiidae | Megapodiidae |
| 保全状況 | Least Concern | Near Threatened |
| 体長 | — | — |
| 翼開長 | 45.0 cm (17.7 in) | 42.5 cm (16.7 in) |
| 体重 | 652.3333333333334 g (23.01 oz) | 525.0 g (18.52 oz) |
| 食性 | Omnivorous ground forager in lowland New Guinea forests; eats fallen fruits, seeds, and invertebrates from … | 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
New Guinea Scrubfowl
Emits a loud, raucous cackling wail and deep territorial clucks. The penetrating cackle carries through New Guinea lowland and foothill forests at twilight and dawn.
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
New Guinea Scrubfowl
Resident across New Guinea lowlands and foothills. Found in lowland rainforest and forest edges in the region.
Biak Scrubfowl
Endemic to Biak Island and nearby islands in Cenderawasih Bay, West Papua. Found in lowland and coastal forest.
保全状況
New Guinea Scrubfowl
Biak Scrubfowl
How to Tell Them Apart
New Guinea Scrubfowl
Brown-grey above and mid-grey below; bare orange-red facial skin around eye; small buff-brown crest; bill yellowish. Marginally paler on underparts than upperparts; legs robust and yellowish-grey.
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
New Guinea Scrubfowl
ニューギニア北部に生息するニューギニアツカツクリ。体長33〜37cm。暗褐色で赤い顔と嘴が特徴的。落葉を積み上げた大きな塚で発酵熱により孵化させる。低地の森林に生息。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。