Rufous-headed Chachalaca vs Highland Guan
Ortalis erythroptera 比較対象 Penelopina nigra
Side-by-Side Comparison
| 属性 | Rufous-headed Chachalaca | Highland Guan |
|---|---|---|
| 学名 | Ortalis erythroptera | Penelopina nigra |
| 目 | Galliformes | Galliformes |
| 科 | Cracidae | Cracidae |
| 保全状況 | Vulnerable | Vulnerable |
| 体長 | — | — |
| 翼開長 | 43.8 cm (17.2 in) | 47.9 cm (18.9 in) |
| 体重 | 632.5 g (22.31 oz) | 890.0 g (31.39 oz) |
| 食性 | Frugivorous; eats fruits, berries, seeds, and leaves in Pacific slope forests and forest edges of … | 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-headed Chachalaca
Emits a loud, raucous chachalaca chorus; individual calls are slightly higher than Rufous-vented. Dawn choruses carry across Ecuadorian and Peruvian coastal dry forest.
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-headed Chachalaca
Resident in western Ecuador and northwestern Peru. Found in tropical deciduous forest and scrub in the Tumbes-Chocó-Magdalena region.
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-headed Chachalaca
Highland Guan
How to Tell Them Apart
Rufous-headed Chachalaca
Brownish-olive body; head and upper neck warm rufous-cinnamon, distinctly contrasting with greyish-brown back; bare reddish throat wattle; underparts pale buff; tail dark with pale outer tips.
Highland Guan
About These Birds
Rufous-headed Chachalaca
A medium-sized cracid (~630 g) of family Cracidae, with a striking rufous head. Inhabits humid and deciduous forests, forest edges, and scrub in western Ecuador and northwestern Peru. Feeds on fruits and leaves in the forest understory and canopy. Vulnerable due to extensive deforestation in the Tumbesian region, one of the world's most threatened biodiversity hotspots.
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。