Alagoas Curassow vs Crestless Curassow
Mitu mitu 比較対象 Mitu tomentosum
Side-by-Side Comparison
| 属性 | Alagoas Curassow | Crestless Curassow |
|---|---|---|
| 学名 | Mitu mitu | Mitu tomentosum |
| 目 | Galliformes | Galliformes |
| 科 | Cracidae | Cracidae |
| 保全状況 | Extinct in the Wild | Least Concern |
| 体長 | — | — |
| 翼開長 | 79.2 cm (31.2 in) | 72.9 cm (28.7 in) |
| 体重 | 2852.5 g (100.62 oz) | 2268.75 g (80.03 oz) |
| 食性 | Frugivorous; eats fruits, seeds, and invertebrates in the ground and forest understorey. Extinct in wild; … | Eats fruits, seeds, and invertebrates in Amazonian lowland forests of Venezuela, Colombia, and Brazil. Forages … |
| 一腹卵数 | 2-3 | 2 |
| Population Trend | — | — |
Habitat Comparison
Song & Call Comparison
Alagoas Curassow
Extirpated from wild (EW). Calls documented from captive birds: a deep, resonant booming similar to Razor-billed Curassow; flocks give low, guttural clucking contact calls.
Crestless Curassow
Emits a deep, resonant booming call; male's voice is extraordinarily loud. The deep, far-carrying booms of displaying males echo through Amazonian and Orinoco forest at dawn.
Geographic Range & Migration
Alagoas Curassow
Endemic to northeastern Brazil in Alagoas. Extinct in the wild; survives only in captivity. Last wild record was 1980s.
Crestless Curassow
Resident in the Orinoco and Amazon Basins of Venezuela, Colombia, and northern Brazil. Found in lowland rainforest and forest edges.
保全状況
Alagoas Curassow
Crestless Curassow
How to Tell Them Apart
Alagoas Curassow
Glossy black body; white lower belly and undertail; massive compressed red bill with orange-yellow tip; no head ornamentation. Now extinct in wild; the large red razor bill was its most …
Crestless Curassow
Glossy black above and on breast; lower belly and undertail coverts white; bill large and bright red; no crest. White belly and red bill against black plumage create strong contrast.
About These Birds
Alagoas Curassow
ブラジルのアラゴアス州固有のアラゴアスクラシオウ。体長80〜90cm。黒い羽毛と赤い嘴基部の瘤が特徴的。野生では絶滅し、現在は繁殖プログラムのみで生存する。絶滅危惧種。
Crestless Curassow
ベネズエラとコロンビア・ブラジル国境のアマゾン流域に生息するワティルドクラシオウ。体長80〜90cm。黒い羽毛と肉垂が特徴的。低地の熱帯雨林に生息し果実を食べる。脆弱種。