Black Curassow vs Alagoas Curassow
Crax alector so với Mitu mitu
Side-by-Side Comparison
| Thuộc Tính | Black Curassow | Alagoas Curassow |
|---|---|---|
| Tên Khoa Học | Crax alector | Mitu mitu |
| Bộ | Galliformes | Galliformes |
| Họ | Cracidae | Cracidae |
| Tình Trạng Bảo Tồn | Least Concern | Extinct in the Wild |
| Chiều Dài | — | — |
| Chiều Dài Sải Cánh | 79,0 cm (31.1 in) | 79,2 cm (31.2 in) |
| Khối Lượng | 3106,25 g (109.57 oz) | 2852,5 g (100.62 oz) |
| Chế Độ Ăn | 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; … |
| Số Trứng | 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.
Tình Trạng Bảo Tồn
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
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.