Black Guan vs Alagoas Curassow
Chamaepetes unicolor 比較対象 Mitu mitu
Side-by-Side Comparison
| 属性 | Black Guan | Alagoas Curassow |
|---|---|---|
| 学名 | Chamaepetes unicolor | Mitu mitu |
| 目 | Galliformes | Galliformes |
| 科 | Cracidae | Cracidae |
| 保全状況 | Least Concern | Extinct in the Wild |
| 体長 | — | — |
| 翼開長 | 58.1 cm (22.9 in) | 79.2 cm (31.2 in) |
| 体重 | 1135.0 g (40.04 oz) | 2852.5 g (100.62 oz) |
| 食性 | Eats fruits, berries, leaves, and small invertebrates in Costa Rican and Panamanian montane forests. Forages … | Frugivorous; eats fruits, seeds, and invertebrates in the ground and forest understorey. Extinct in wild; … |
| 一腹卵数 | 2-3 | 2-3 |
| Population Trend | — | — |
Habitat Comparison
Song & Call Comparison
Black Guan
Produces a loud, harsh cackling call and wing-whirring. Calls carry through Costa Rican and Panamanian cloud forest; deep cackling notes are lower-pitched than many Penelope guans.
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.
Geographic Range & Migration
Black Guan
Endemic to the highlands of Costa Rica and western Panama at 1,600-3,000 m. Found in humid montane forest.
Alagoas Curassow
Endemic to northeastern Brazil in Alagoas. Extinct in the wild; survives only in captivity. Last wild record was 1980s.
保全状況
Black Guan
Alagoas Curassow
How to Tell Them Apart
Black Guan
Uniformly glossy black throughout; bare bright blue facial skin around eye; no wattle or white markings; legs dark grey. One of the most uniformly coloured cracids; blue periorbital skin is …
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 …
About These Birds
Black Guan
ホウカンチョウ科のやや大型鳥類（約1.1 kg）で全体に煤黒色の青い顔面皮膚を持つ。コスタリカとパナマ西部の山地雲霧林（1,200〜3,000 m）固有種。樹上生活。果食性。
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。