Black Curassow vs Alagoas Curassow
Crax alector 比較対象 Mitu mitu
Side-by-Side Comparison
| 属性 | Black Curassow | Alagoas Curassow |
|---|---|---|
| 学名 | Crax alector | Mitu mitu |
| 目 | Galliformes | Galliformes |
| 科 | Cracidae | Cracidae |
| 保全状況 | Least Concern | Extinct in the Wild |
| 体長 | — | — |
| 翼開長 | 79.0 cm (31.1 in) | 79.2 cm (31.2 in) |
| 体重 | 3106.25 g (109.57 oz) | 2852.5 g (100.62 oz) |
| 食性 | Frugivorous; eats large fallen fruits, seeds, and invertebrates on forest floor of Amazonian and Guianan … | 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 Curassow
Produces a deep, resonant booming call and guttural contact notes. The male's powerful boom echoes through Amazonian and Guyanan lowland 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
Black Curassow
Resident in the Guiana region from Venezuela and the Guianas south into northern Brazil. Found in lowland terra firme rainforest.
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 Curassow
Alagoas Curassow
How to Tell Them Apart
Black Curassow
Male is entirely glossy black except for white lower belly and undertail; curly black crest; pale bluish-white knob at bill base; no yellow tones. Female dark brownish-black, faintly barred, with …
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 Curassow
A large cracid (~3.1 kg) of family Cracidae, males glossy black with a pale bill and curly frontal crest. Inhabits humid lowland forests in the Guianas, Venezuela, and northern Brazil. Forages on the forest floor and in the lower canopy for fruits, seeds, and invertebrates. Least Concern; relatively widespread in the Guiana region's large intact forest tracts.
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。