Red-billed Curassow vs Alagoas Curassow
Crax blumenbachii مقارنةً بـ Mitu mitu
Side-by-Side Comparison
| السمة | Red-billed Curassow | Alagoas Curassow |
|---|---|---|
| الاسم العلمي | Crax blumenbachii | Mitu mitu |
| الرتبة | Galliformes | Galliformes |
| الفصيلة | Cracidae | Cracidae |
| حالة الحفاظ | Endangered | Extinct in the Wild |
| الطول | — | — |
| طول الجناح | 76,8 cm (30.2 in) | 79,2 cm (31.2 in) |
| الوزن | 3250,0 g (114.64 oz) | 2852,5 g (100.62 oz) |
| النظام الغذائي | Eats large fruits, seeds, and invertebrates on Atlantic forest floor in Brazil. Critically endangered; diet … | Frugivorous; eats fruits, seeds, and invertebrates in the ground and forest understorey. Extinct in wild; … |
| عدد البيض في الوضع | 1-3 | 2-3 |
| Population Trend | — | — |
Habitat Comparison
Song & Call Comparison
Red-billed Curassow
Emits a deep, resonant booming call; contact calls are loud, guttural clucking. Endangered; the powerful boom echoes through remnant Atlantic forest; increasingly scarce.
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
Red-billed Curassow
Endemic to the Atlantic Forest of southeastern Brazil in Rio de Janeiro and Espírito Santo. Found in lowland humid forest. Critically endangered.
Alagoas Curassow
Endemic to northeastern Brazil in Alagoas. Extinct in the wild; survives only in captivity. Last wild record was 1980s.
حالة الحفاظ
Red-billed Curassow
Alagoas Curassow
How to Tell Them Apart
Red-billed Curassow
Male is glossy black with white lower belly; curly black crest; vivid red bill with no knob; no yellow facial skin. Female is black barred chestnut; bright red bill 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
Red-billed Curassow
A large cracid (~3.3 kg) of family Cracidae, males black with a red and yellow bill. Endemic to a small area of Atlantic Forest in Espírito Santo and Minas Gerais, Brazil. Inhabits humid lowland and foothill rainforest. Forages on the forest floor for fallen fruits and seeds. Endangered; fewer than 250 mature individuals remain following severe Atlantic Forest loss and overhunting.
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.