Yellow-knobbed Curassow vs Alagoas Curassow
Crax daubentoni 比較対象 Mitu mitu
Side-by-Side Comparison
| 属性 | Yellow-knobbed Curassow | Alagoas Curassow |
|---|---|---|
| 学名 | Crax daubentoni | Mitu mitu |
| 目 | Galliformes | Galliformes |
| 科 | Cracidae | Cracidae |
| 保全状況 | Near Threatened | Extinct in the Wild |
| 体長 | — | — |
| 翼開長 | 76.2 cm (30.0 in) | 79.2 cm (31.2 in) |
| 体重 | 2383.3333333333335 g (84.07 oz) | 2852.5 g (100.62 oz) |
| 食性 | Eats large fruits, seeds, and invertebrates on forest floor of Venezuelan and Colombian lowlands. Forages … | 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
Yellow-knobbed Curassow
Emits a deep, resonant booming call; male produces guttural contact clucking. The boom carries through Venezuelan and Colombian dry and gallery 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
Yellow-knobbed Curassow
Resident in Venezuela and adjacent Colombia. Found in lowland dry and gallery forest in the Llanos and Caribbean coast region.
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
Yellow-knobbed Curassow
Alagoas Curassow
How to Tell Them Apart
Yellow-knobbed Curassow
Male is black with white lower belly; curly black crest; prominent yellow knob at bill base; yellow bare facial skin. Female barred rufous and black with finely curled crest; yellow …
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
Yellow-knobbed Curassow
イエローノブドクラシャウ（Crax daubentoni）— コロンビアとベネズエラの低地林に生息するホッコ。黄色い嘴コブをもつオスが特徴。
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。