Biak Scrubfowl vs Tongan Scrubfowl
Megapodius geelvinkianus 比較対象 Megapodius pritchardii
Side-by-Side Comparison
| 属性 | Biak Scrubfowl | Tongan Scrubfowl |
|---|---|---|
| 学名 | Megapodius geelvinkianus | Megapodius pritchardii |
| 目 | Galliformes | Galliformes |
| 科 | Megapodiidae | Megapodiidae |
| 保全状況 | Near Threatened | Vulnerable |
| 体長 | — | — |
| 翼開長 | 42.5 cm (16.7 in) | 35.4 cm (13.9 in) |
| 体重 | 525.0 g (18.52 oz) | 376.5 g (13.28 oz) |
| 食性 | Forages in Biak Island lowland forests for fallen fruits, seeds, and invertebrates scratched from leaf … | Forages on Tongan islands for fallen fruits, seeds, invertebrates, and small animals in coastal forest … |
| 一腹卵数 | -- | 12-16 |
| 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.
Tongan Scrubfowl
Emits a loud, cackling wail and guttural territorial calls. Vocalizations poorly known; presumed to produce typical Megapodius scrubfowl cackling-wail calls on Tongan islands.
Geographic Range & Migration
Biak Scrubfowl
Endemic to Biak Island and nearby islands in Cenderawasih Bay, West Papua. Found in lowland and coastal forest.
Tongan Scrubfowl
Endemic to Niuafo'ou Island in Tonga. Found in tropical scrub and forest. Critically endangered, with a tiny population on one island.
保全状況
Biak Scrubfowl
Tongan 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.
Tongan Scrubfowl
Dull brownish-grey overall, slightly paler on underparts; bare reddish facial skin around eye; small yellowish crest on crown. Tail short and rounded; no bold patterning.
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。
Tongan Scrubfowl
トンガのニウアフォウ島固有のポリネシアツカツクリ。体長28〜32cm。活火山の熱を利用して卵を孵化させる珍しい習性を持つ。生息地が非常に限定的で絶滅危惧状態にある。