Biak Scrubfowl vs Nicobar Scrubfowl
Megapodius geelvinkianus 比較対象 Megapodius nicobariensis
Side-by-Side Comparison
| 属性 | Biak Scrubfowl | Nicobar Scrubfowl |
|---|---|---|
| 学名 | Megapodius geelvinkianus | Megapodius nicobariensis |
| 目 | Galliformes | Galliformes |
| 科 | Megapodiidae | Megapodiidae |
| 保全状況 | Near Threatened | Vulnerable |
| 体長 | — | — |
| 翼開長 | 42.5 cm (16.7 in) | 45.4 cm (17.9 in) |
| 体重 | 525.0 g (18.52 oz) | 843.25 g (29.74 oz) |
| 食性 | Forages in Biak Island lowland forests for fallen fruits, seeds, and invertebrates scratched from leaf … | Forages on the ground in Nicobar Island forests for fallen fruits, seeds, and invertebrates scratched … |
| 一腹卵数 | -- | 2-20 |
| Population Trend | — | — |
Habitat Comparison
Song & Call Comparison
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.
Nicobar Scrubfowl
Emits loud, wailing cackling calls and guttural territorial clucks. The raucous wailing is typical of the genus; calls carry through Nicobar island coastal forest at dawn and dusk.
Geographic Range & Migration
Biak Scrubfowl
Endemic to Biak Island and nearby islands in Cenderawasih Bay, West Papua. Found in lowland and coastal forest.
Nicobar Scrubfowl
Endemic to the Nicobar Islands in the Bay of Bengal, India. Found in lowland tropical forest and coastal vegetation.
保全状況
Biak Scrubfowl
Nicobar Scrubfowl
How to Tell Them Apart
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.
Nicobar Scrubfowl
Upper parts dark brownish-black; underparts grey-brown, paler on belly; bare reddish facial skin; short upright crest brownish. Legs large, greyish-yellow. One of the darker scrubfowl species.
About These Birds
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。
Nicobar Scrubfowl
インドのニコバル諸島固有のニコバルツカツクリ。体長30〜35cm。熱帯林に生息し、落葉や砂を積み上げた塚で産卵する。生息域が非常に限定的で、生息地の破壊により脆弱種に分類される。