Rufous-bellied Chachalaca vs White-crested Guan
Ortalis wagleri 比較対象 Penelope pileata
Side-by-Side Comparison
| 属性 | Rufous-bellied Chachalaca | White-crested Guan |
|---|---|---|
| 学名 | Ortalis wagleri | Penelope pileata |
| 目 | Galliformes | Galliformes |
| 科 | Cracidae | Cracidae |
| 保全状況 | Least Concern | Vulnerable |
| 体長 | — | — |
| 翼開長 | 48.3 cm (19.0 in) | 64.4 cm (25.4 in) |
| 体重 | 834.0 g (29.42 oz) | 1305.0 g (46.03 oz) |
| 食性 | Feeds on fruits, berries, seeds, leaves, and small invertebrates in Mexican thorn scrub and deciduous … | Eats fruits, berries, seeds, and leaves in Brazilian Amazonian and transition forests. Forages in canopy … |
| 一腹卵数 | 3 | 3-4 |
| 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.
White-crested Guan
Emits a loud, resonant honking cackle and powerful wing-whirring. Calls carry through the remaining Amazonian rainforest; wing-whirring display is sustained and audible from afar.
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.
White-crested Guan
Endemic to central and western Amazonian Brazil in Pará and Amazonas. Found in tall terra firme rainforest.
保全状況
Rufous-bellied Chachalaca
White-crested Guan
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.
White-crested Guan
Dark brownish-black; striking white bushy crest on crown; bare red throat wattle; neck and breast streaked white; lower belly rufous; tail dark. White crest is the unmistakable feature.
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.
White-crested Guan
ブラジル東部の大西洋岸森林に生息するグアンで、目立つ赤い肉垂が特徴的。生息地の大幅な消失により絶滅危惧種に指定されており、保護が急務となっている。