Dusky Scrubfowl vs Tongan Scrubfowl
Megapodius freycinet 比較対象 Megapodius pritchardii
Side-by-Side Comparison
| 属性 | Dusky Scrubfowl | Tongan Scrubfowl |
|---|---|---|
| 学名 | Megapodius freycinet | Megapodius pritchardii |
| 目 | Galliformes | Galliformes |
| 科 | Megapodiidae | Megapodiidae |
| 保全状況 | Least Concern | Vulnerable |
| 体長 | — | — |
| 翼開長 | 42.0 cm (16.5 in) | 35.4 cm (13.9 in) |
| 体重 | 644.5 g (22.73 oz) | 376.5 g (13.28 oz) |
| 食性 | Omnivorous ground forager in New Guinea and island forests; eats fallen fruits, seeds, and invertebrates … | 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
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.
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
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.
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
Dusky Scrubfowl
Tongan 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.
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
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。
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。