Red-billed Curassow vs Rufous-bellied Chachalaca
Crax blumenbachii 比較対象 Ortalis wagleri
Side-by-Side Comparison
| 属性 | Red-billed Curassow | Rufous-bellied Chachalaca |
|---|---|---|
| 学名 | Crax blumenbachii | Ortalis wagleri |
| 目 | Galliformes | Galliformes |
| 科 | Cracidae | Cracidae |
| 保全状況 | Endangered | Least Concern |
| 体長 | — | — |
| 翼開長 | 76.8 cm (30.2 in) | 48.3 cm (19.0 in) |
| 体重 | 3250.0 g (114.64 oz) | 834.0 g (29.42 oz) |
| 食性 | Eats large fruits, seeds, and invertebrates on Atlantic forest floor in Brazil. Critically endangered; diet … | Feeds on fruits, berries, seeds, leaves, and small invertebrates in Mexican thorn scrub and deciduous … |
| 一腹卵数 | 1-3 | 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.
Rufous-bellied Chachalaca
Produces a loud, deep raucous chorus; the lowest-pitched Ortalis chachalaca call. The deep, resonant cha-cha-LAC booms across Mexican Pacific slope deciduous forest at dawn.
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.
Rufous-bellied Chachalaca
Endemic to the Pacific coast of western Mexico from Sinaloa to Colima. Found in tropical dry forest and thorn scrub.
保全状況
Red-billed Curassow
Rufous-bellied Chachalaca
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 …
Rufous-bellied Chachalaca
Olive-brown above; head grey with bare reddish throat; underparts strongly washed rufous-buff becoming deep rufous on belly and flanks; graduated tail dark brown with pale-tipped outer feathers.
About These Birds
Red-billed Curassow
レッドビルドクラシャウ（Crax blumenbachii）— ブラジル大西洋森林固有の大型のホッコ。赤い嘴コブをもつオスが特徴。絶滅の危機に瀕している。
Rufous-bellied Chachalaca
A larger chachalaca (~834 g) of family Cracidae, with a rufous wash on the underparts. Endemic to the Pacific slope of northwestern Mexico, from Sonora to Jalisco. Inhabits tropical dry forest, thorn scrub, and deciduous woodland. Forages in groups on fruits, seeds, and insects. Least Concern; range restricted to the Mexican Pacific coast but populations remain stable.