Razor-billed Curassow vs Rufous-bellied Chachalaca
Mitu tuberosum 比較対象 Ortalis wagleri
Side-by-Side Comparison
| 属性 | Razor-billed Curassow | Rufous-bellied Chachalaca |
|---|---|---|
| 学名 | Mitu tuberosum | Ortalis wagleri |
| 目 | Galliformes | Galliformes |
| 科 | Cracidae | Cracidae |
| 保全状況 | Near Threatened | Least Concern |
| 体長 | — | — |
| 翼開長 | 77.1 cm (30.4 in) | 48.3 cm (19.0 in) |
| 体重 | 2893.3333333333335 g (102.06 oz) | 834.0 g (29.42 oz) |
| 食性 | Eats fruits, palm fruits, seeds, and invertebrates in Amazonian lowland forests. Forages mainly on ground … | Feeds on fruits, berries, seeds, leaves, and small invertebrates in Mexican thorn scrub and deciduous … |
| 一腹卵数 | 2-3 | 3 |
| Population Trend | — | — |
Habitat Comparison
Song & Call Comparison
Razor-billed Curassow
Emits a deep, resonant booming call; male's boom is among the most powerful of any cracid. The thundering boom echoes far through western Amazonian terra firme forest at dawn.
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
Razor-billed Curassow
Resident across much of the Amazon Basin from Colombia and Venezuela south to Bolivia and Brazil. Found in lowland and várzea rainforest.
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
Razor-billed Curassow
Rufous-bellied Chachalaca
How to Tell Them Apart
Razor-billed Curassow
Glossy blue-black overall; white lower belly and undertail coverts; distinctive laterally compressed blade-like red bill with small red knob at base; no crest; legs red.
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
Razor-billed Curassow
アマゾン川流域に広く分布するラザルドクラシオウ。体長75〜85cm。黒い羽毛と嘴の瘤が特徴的。低地の熱帯雨林で果実や種子を食べる。狩猟圧が高い。低危険種。
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.