Rufous-bellied Chachalaca vs Sira Curassow
Ortalis wagleri 比較対象 Pauxi koepckeae
Side-by-Side Comparison
| 属性 | Rufous-bellied Chachalaca | Sira Curassow |
|---|---|---|
| 学名 | Ortalis wagleri | Pauxi koepckeae |
| 目 | Galliformes | Galliformes |
| 科 | Cracidae | Cracidae |
| 保全状況 | Least Concern | Critically Endangered |
| 体長 | — | — |
| 翼開長 | 48.3 cm (19.0 in) | 93.6 cm (36.9 in) |
| 体重 | 834.0 g (29.42 oz) | 3745.0 g (132.10 oz) |
| 食性 | Feeds on fruits, berries, seeds, leaves, and small invertebrates in Mexican thorn scrub and deciduous … | Eats large seeds, fruits, and invertebrates in Peruvian foothill forests. Critically endangered; diet poorly documented. |
| 一腹卵数 | 3 | -- |
| Population Trend | — | — |
Habitat Comparison
Song & Call Comparison
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.
Sira Curassow
Produces a deep, resonant booming call. Critically Endangered; calls are essentially unknown in the wild; captive birds give deep, resonant booming typical of Pauxi curassows.
Geographic Range & Migration
Rufous-bellied Chachalaca
Endemic to the Pacific coast of western Mexico from Sinaloa to Colima. Found in tropical dry forest and thorn scrub.
Sira Curassow
Endemic to the Sira Cordillera of central Peru in Ucayali and Huánuco at 600-1,400 m. Found in humid foothill forest. Critically endangered.
保全状況
Rufous-bellied Chachalaca
Sira Curassow
How to Tell Them Apart
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.
Sira Curassow
Glossy black overall; white lower belly; pale blue-grey conical casque on forehead similar to Horned Curassow; red bill and red legs. Extremely rare and poorly known; casque shape and large …
About These Birds
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.
Sira Curassow
ペルー固有のサケズドリで、アンデス山脈東斜面の雲霧林に生息する。球状の角盾が特徴的で、生息地の消失と狩猟により絶滅危惧種に指定されている。