Great Curassow vs Alagoas Curassow
Crax rubra 比較対象 Mitu mitu
Side-by-Side Comparison
| 属性 | Great Curassow | Alagoas Curassow |
|---|---|---|
| 学名 | Crax rubra | Mitu mitu |
| 目 | Galliformes | Galliformes |
| 科 | Cracidae | Cracidae |
| 保全状況 | Vulnerable | Extinct in the Wild |
| 体長 | — | — |
| 翼開長 | 76.2 cm (30.0 in) | 79.2 cm (31.2 in) |
| 体重 | 3756.1666666666665 g (132.49 oz) | 2852.5 g (100.62 oz) |
| 食性 | Eats large fallen fruits, seeds, and invertebrates on forest floor in Central and South American … | Frugivorous; eats fruits, seeds, and invertebrates in the ground and forest understorey. Extinct in wild; … |
| 一腹卵数 | 2 | 2-3 |
| Population Trend | — | — |
Habitat Comparison
Song & Call Comparison
Great Curassow
Emits a deep, resonant booming call; male also produces loud, crowing notes. The powerful boom carries through Central American and northwestern South American tropical forest at dawn.
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
Great Curassow
Resident from Mexico through Central America south to western Ecuador and Colombia. Found in lowland and foothill humid forest to 1,500 m.
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
Great Curassow
Alagoas Curassow
How to Tell Them Apart
Great Curassow
Male glossy black with white belly and curly black crest; bright yellow knob at bill base; female dimorphic with three morphs: barred brown, rufous, or black, all with barred tails …
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
Great Curassow
グレートクラシャウ（Crax rubra）— 中央アメリカとコロンビア北西部の雨林に生息する大型のホッコ。オスは黄色いコブをもつ黒い鳥で、メスは縞模様をもつ。
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。