Great Curassow vs Alagoas Curassow
Crax rubra so với Mitu mitu
Side-by-Side Comparison
| Thuộc Tính | Great Curassow | Alagoas Curassow |
|---|---|---|
| Tên Khoa Học | Crax rubra | Mitu mitu |
| Bộ | Galliformes | Galliformes |
| Họ | Cracidae | Cracidae |
| Tình Trạng Bảo Tồn | Vulnerable | Extinct in the Wild |
| Chiều Dài | — | — |
| Chiều Dài Sải Cánh | 76,2 cm (30.0 in) | 79,2 cm (31.2 in) |
| Khối Lượng | 3756,1666666666665 g (132.49 oz) | 2852,5 g (100.62 oz) |
| Chế Độ Ăn | Eats large fallen fruits, seeds, and invertebrates on forest floor in Central and South American … | Frugivorous; eats fruits, seeds, and invertebrates in the ground and forest understorey. Extinct in wild; … |
| Số Trứng | 2 | 2-3 |
| Population Trend | — | — |
Habitat Comparison
Song & Call Comparison
Great Curassow
Emits a deep, resonant booming call; male also produces loud, crowing notes. The powerful boom carries through Central American and northwestern South American tropical 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
Great Curassow
Resident from Mexico through Central America south to western Ecuador and Colombia. Found in lowland and foothill humid forest to 1,500 m.
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
Great Curassow
Alagoas Curassow
How to Tell Them Apart
Great Curassow
Male glossy black with white belly and curly black crest; bright yellow knob at bill base; female dimorphic with three morphs: barred brown, rufous, or black, all with barred tails …
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
Great Curassow
A large cracid (~3.8 kg) of family Cracidae, males black with a curly yellow-knobbed crest, females brown-barred. Found in humid lowland and montane forests from Mexico to northwestern Colombia. Forages on the forest floor and low vegetation for fallen fruits, seeds, and invertebrates. Vulnerable due to deforestation throughout Central America and hunting for bushmeat.
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.