Alagoas Curassow vs Buff-browed Chachalaca
Mitu mitu เปรียบเทียบกับ Ortalis superciliaris
Side-by-Side Comparison
| คุณสมบัติ | Alagoas Curassow | Buff-browed Chachalaca |
|---|---|---|
| ชื่อวิทยาศาสตร์ | Mitu mitu | Ortalis superciliaris |
| อันดับ | Galliformes | Galliformes |
| วงศ์ตระกูล | Cracidae | Cracidae |
| สถานะการอนุรักษ์ | Extinct in the Wild | Least Concern |
| ความยาว | — | — |
| กว้างปีก | 79.2 cm (31.2 in) | 35.1 cm (13.8 in) |
| น้ำหนัก | 2852.5 g (100.62 oz) | 549.3 g (19.38 oz) |
| อาหาร | Frugivorous; eats fruits, seeds, and invertebrates in the ground and forest understorey. Extinct in wild; … | Eats fruits, berries, seeds, and leaves in eastern Amazonian and Cerrado forest edges. Diet poorly … |
| จำนวนไข่ | 2-3 | 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.
Buff-browed Chachalaca
Produces a loud, raucous chachalaca chorus with individual calls slightly higher than Colombian Chachalaca. Dawn choruses carry across eastern Amazonian forest.
Geographic Range & Migration
Alagoas Curassow
Endemic to northeastern Brazil in Alagoas. Extinct in the wild; survives only in captivity. Last wild record was 1980s.
Buff-browed Chachalaca
Resident in central and eastern Brazil from Mato Grosso to Pará and Maranhão. Found in cerrado and forest edges.
สถานะการอนุรักษ์
Alagoas Curassow
Buff-browed 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 …
Buff-browed Chachalaca
Olive-brown overall; distinctive buff-white supercilium above reddish bare facial skin; throat skin pink; underparts pale buff-grey; tail dark with pale outer-feather tips.
About These Birds
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.
Buff-browed Chachalaca
A medium-sized cracid (~550 g) of family Cracidae, with a pale buff supercilium above the eye. Found in lowland and foothill forests and scrublands of eastern and southeastern Brazil. Forages in small social groups on fruits, seeds, and leaves. Least Concern; closely related to other eastern Brazilian chachalacas and classified as Least Concern with a broadly stable population.