Blue-billed Curassow vs Alagoas Curassow
Crax alberti 对比 Mitu mitu
Side-by-Side Comparison
| 属性 | Blue-billed Curassow | Alagoas Curassow |
|---|---|---|
| 学名 | Crax alberti | Mitu mitu |
| 目 | Galliformes | Galliformes |
| 科 | Cracidae | Cracidae |
| 保护状况 | Critically Endangered | Extinct in the Wild |
| 体长 | — | — |
| 翼展 | 80.2 cm (31.6 in) | 79.2 cm (31.2 in) |
| 体重 | 2650.0 g (93.48 oz) | 2852.5 g (100.62 oz) |
| 食性 | Frugivorous; eats large fruits, seeds, and invertebrates on ground of Colombian lowland forests. Critically endangered. | Frugivorous; eats fruits, seeds, and invertebrates in the ground and forest understorey. Extinct in wild; … |
| 产卵数 | 2 | 2-3 |
| Population Trend | — | — |
Habitat Comparison
Song & Call Comparison
Blue-billed Curassow
Produces a deep, resonant booming call; male gives guttural contact calls. Critically Endangered; voice rarely heard in the wild in remnant Colombian forest.
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
Blue-billed Curassow
Endemic to northwestern Colombia in the Sierra Nevada de Santa Marta and nearby ranges. Found in humid forest at 200-1,000 m. Critically endangered.
Alagoas Curassow
Endemic to northeastern Brazil in Alagoas. Extinct in the wild; survives only in captivity. Last wild record was 1980s.
保护状况
Blue-billed Curassow
Alagoas Curassow
How to Tell Them Apart
Blue-billed Curassow
Male is glossy black with white belly and curly black crest; distinctive bright blue bill with no yellow knob. Female is barred black-and-chestnut with curly crest; blue bill separates it …
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
Blue-billed Curassow
蓝嘴凤冠雉（Crax alberti）— 哥伦比亚北部低地雨林特有的凤冠雉。嘴基具蓝色大肉瘤为特征。濒危种。
Alagoas Curassow
A large cracid (~2.9 kg) of family Cracidae, with glossy black plumage and a distinctive red knobbed bill. Extinct in the Wild; the last wild individuals disappeared from Alagoas, Brazil by the 1980s due to deforestation of the Atlantic Forest. A captive population survives in Brazilian zoos, with reintroduction programs underway. One of the most critically imperiled birds globally.