Black Guan vs Alagoas Curassow
Chamaepetes unicolor comparado com Mitu mitu
Side-by-Side Comparison
| Atributo | Black Guan | Alagoas Curassow |
|---|---|---|
| Nome científico | Chamaepetes unicolor | Mitu mitu |
| Ordem | Galliformes | Galliformes |
| Família | Cracidae | Cracidae |
| Estado de conservação | Least Concern | Extinct in the Wild |
| Comprimento | — | — |
| Envergadura | 58,1 cm (22.9 in) | 79,2 cm (31.2 in) |
| Peso | 1135,0 g (40.04 oz) | 2852,5 g (100.62 oz) |
| Dieta | Eats fruits, berries, leaves, and small invertebrates in Costa Rican and Panamanian montane forests. Forages … | Frugivorous; eats fruits, seeds, and invertebrates in the ground and forest understorey. Extinct in wild; … |
| Tamanho da postura | 2-3 | 2-3 |
| Population Trend | — | — |
Habitat Comparison
Song & Call Comparison
Black Guan
Produces a loud, harsh cackling call and wing-whirring. Calls carry through Costa Rican and Panamanian cloud forest; deep cackling notes are lower-pitched than many Penelope guans.
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 Guan
Endemic to the highlands of Costa Rica and western Panama at 1,600-3,000 m. Found in humid montane forest.
Alagoas Curassow
Endemic to northeastern Brazil in Alagoas. Extinct in the wild; survives only in captivity. Last wild record was 1980s.
Estado de conservação
Black Guan
Alagoas Curassow
How to Tell Them Apart
Black Guan
Uniformly glossy black throughout; bare bright blue facial skin around eye; no wattle or white markings; legs dark grey. One of the most uniformly coloured cracids; blue periorbital skin is …
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 Guan
Jacuaçu-negro (Chamaepetes unicolor), 55–65 cm. Plumagem uniformemente marrom-escura ou enegrecida com reflexo esverdeado, pele facial azul, bico azulado. Habita florestas úmidas de montanha na Costa Rica e Panamá. Alimenta-se de frutas e folhas no dossel. Em perigo pela perda de habitat florestal.
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.