Rufous-bellied Chachalaca vs Highland Guan
Ortalis wagleri 比較対象 Penelopina nigra
Side-by-Side Comparison
| 属性 | Rufous-bellied Chachalaca | Highland Guan |
|---|---|---|
| 学名 | Ortalis wagleri | Penelopina nigra |
| 目 | Galliformes | Galliformes |
| 科 | Cracidae | Cracidae |
| 保全状況 | Least Concern | Vulnerable |
| 体長 | — | — |
| 翼開長 | 48.3 cm (19.0 in) | 47.9 cm (18.9 in) |
| 体重 | 834.0 g (29.42 oz) | 890.0 g (31.39 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 Central American highland forests. Forages in forest mid-storey … |
| 一腹卵数 | 3 | 2 |
| 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.
Highland Guan
Produces a loud, resonant cackling call and wing-whirring display. The male's calls carry through Central American cloud forest; wing-whirring display is a key feature of this highland cracid.
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.
Highland Guan
Resident in the highlands of Mexico and Central America from Chiapas south to Nicaragua at 1,200-3,000 m. Found in cloud forest and pine-oak woodland.
保全状況
Rufous-bellied Chachalaca
Highland 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.
Highland Guan
Strongly dimorphic: male is entirely glossy black with bare red facial skin and red legs; female is dark brown heavily barred and streaked with black, with bare red facial skin.
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.
Highland Guan
中米の山岳雲霧林に固有の黒いグアンで、グアテマラ、ホンジュラス、エルサルバドル、メキシコ南部に分布する。森林破壊と狩猟により絶滅危惧種に指定されている。