Alagoas Curassow vs Rufous-headed Chachalaca
Mitu mitu 比較対象 Ortalis ruficeps
Side-by-Side Comparison
| 属性 | Alagoas Curassow | Rufous-headed Chachalaca |
|---|---|---|
| 学名 | Mitu mitu | Ortalis ruficeps |
| 目 | Galliformes | Galliformes |
| 科 | Cracidae | Cracidae |
| 保全状況 | Extinct in the Wild | Not Evaluated |
| 体長 | — | — |
| 翼開長 | 79.2 cm (31.2 in) | — |
| 体重 | 2852.5 g (100.62 oz) | 495.0 g (17.46 oz) |
| 食性 | Frugivorous; eats fruits, seeds, and invertebrates in the ground and forest understorey. Extinct in wild; … | Frugivorous; eats fruits, berries, seeds, and leaves in northeastern Brazilian caatinga and forest edges. |
| 一腹卵数 | 2-3 | -- |
| Population Trend | — | — |
Habitat Comparison
Song & Call Comparison
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.
Rufous-headed Chachalaca
Emits a loud, raucous chachalaca chorus; individual calls are slightly raspy. Dawn choruses ring across Brazilian interior forest and cerrado; recently described species.
Geographic Range & Migration
Alagoas Curassow
Endemic to northeastern Brazil in Alagoas. Extinct in the wild; survives only in captivity. Last wild record was 1980s.
Rufous-headed Chachalaca
Resident in northeastern Brazil from Maranhão to Bahia. Found in caatinga dry scrub and transitional forest.
保全状況
Alagoas Curassow
Rufous-headed Chachalaca
How to Tell Them Apart
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 …
Rufous-headed Chachalaca
Olive-brown body; crown and nape washed rufous-cinnamon; bare pink throat skin; underparts pale grey-buff; tail dark brownish with buff outer-feather tips. Similar to O. erythroptera but head less intensely rufous.
About These Birds
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。
Rufous-headed Chachalaca
A medium-sized cracid (~495 g) of family Cracidae, with a rufous crown and head. Endemic to northeastern Brazil, primarily found in caatinga scrubland and dry forest habitats. Forages on fruits and vegetation in small groups. Not Evaluated by IUCN; taxonomy is debated as it may represent a subspecies or synonym of related chachalaca taxa. Little studied in the wild.