Alagoas Curassow vs Grey-headed Chachalaca
Mitu mitu so với Ortalis cinereiceps
Side-by-Side Comparison
| Thuộc Tính | Alagoas Curassow | Grey-headed Chachalaca |
|---|---|---|
| Tên Khoa Học | Mitu mitu | Ortalis cinereiceps |
| Bộ | Galliformes | Galliformes |
| Họ | Cracidae | Cracidae |
| Tình Trạng Bảo Tồn | Extinct in the Wild | Least Concern |
| Chiều Dài | — | — |
| Chiều Dài Sải Cánh | 79,2 cm (31.2 in) | 41,1 cm (16.2 in) |
| Khối Lượng | 2852,5 g (100.62 oz) | 566,5 g (19.98 oz) |
| Chế Độ Ăn | Frugivorous; eats fruits, seeds, and invertebrates in the ground and forest understorey. Extinct in wild; … | Frugivorous and folivorous; eats fruits, berries, leaves, and buds in Central American forest edges and … |
| Số Trứng | 2-3 | 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.
Grey-headed Chachalaca
Produces a loud, raucous cha-cha-lac chorus at dawn; individual notes are hoarser and lower than Plain Chachalaca. Groups call antiphonally from treetops in Central American forest edge.
Geographic Range & Migration
Alagoas Curassow
Endemic to northeastern Brazil in Alagoas. Extinct in the wild; survives only in captivity. Last wild record was 1980s.
Grey-headed Chachalaca
Resident from Honduras south through Central America to Panama and northwestern Colombia. Found in humid forest and dense vegetation.
Tình Trạng Bảo Tồn
Alagoas Curassow
Grey-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 …
Grey-headed Chachalaca
Olive-brown body; head and neck distinctly grey contrasting with brownish back; bare reddish throat skin; underparts pale buff-grey; tail graduated, brown with paler tips on outer feathers.
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.
Grey-headed Chachalaca
A medium-sized cracid (~565 g) of family Cracidae, with a distinctive grey head and olive-brown body. Inhabits humid tropical forests, forest edges, and scrublands from Honduras south to northwestern Colombia. Forages in groups for fruits, berries, leaves, and insects in the understory and canopy. Least Concern; common throughout its range in Central American lowlands.