Rufous-vented Chachalaca vs White-winged Guan
Ortalis ruficauda 比較対象 Penelope albipennis
Side-by-Side Comparison
| 属性 | Rufous-vented Chachalaca | White-winged Guan |
|---|---|---|
| 学名 | Ortalis ruficauda | Penelope albipennis |
| 目 | Galliformes | Galliformes |
| 科 | Cracidae | Cracidae |
| 保全状況 | Least Concern | Endangered |
| 体長 | — | — |
| 翼開長 | 44.0 cm (17.3 in) | 63.5 cm (25.0 in) |
| 体重 | 604.4 g (21.32 oz) | 1675.0 g (59.08 oz) |
| 食性 | Eats fruits, berries, leaves, flowers, and small insects in Venezuelan forest edges, scrub, and coastal … | Eats fruits, berries, seeds, and leaves in Peruvian dry forest. Critically endangered; forages in canopy … |
| 一腹卵数 | 3-4 | 2-3 |
| Population Trend | — | — |
Habitat Comparison
Song & Call Comparison
Rufous-vented Chachalaca
Produces a loud, raucous chachalaca chorus; individual notes are slightly harsher than Plain Chachalaca. Dawn choruses ring across Venezuelan and Trinidadian dry forest and forest edge.
White-winged Guan
Emits a loud, resonant honking cackle and wing-whirring. Endangered; deep, resonant calls are seldom heard now across Peruvian dry forest; wing-whirring display persists.
Geographic Range & Migration
Rufous-vented Chachalaca
Resident in northern Venezuela and Trinidad. Found in dry forest, scrub, and woodland edges in lowland areas.
White-winged Guan
Endemic to arid valleys in northwestern Peru (Tumbes and Piura). Found in dry forest remnants. Critically endangered.
保全状況
Rufous-vented Chachalaca
White-winged Guan
How to Tell Them Apart
Rufous-vented Chachalaca
Olive-brown above; grey head; bare reddish throat; underparts buff-grey grading to rich rufous-cinnamon on vent and undertail coverts; tail dark brown with buff-tipped outer feathers.
White-winged Guan
Dark brownish-black body; outer wing coverts white forming bold white patch visible in flight and at rest; bare reddish throat; breast finely streaked white; lower belly rufous; tail dark.
About These Birds
Rufous-vented Chachalaca
A medium-sized cracid (~605 g) of family Cracidae, with rufous undertail coverts and a bare red throat. Found in forest edges, thorn scrub, and deciduous woodland in Venezuela and Trinidad. Forages in groups for fruits, seeds, and leaves. Least Concern; a familiar bird in Venezuela, adapted to disturbed habitats and gardens as well as natural scrublands.
White-winged Guan
ペルー北西部の乾燥した渓谷の落葉林に限定して生息する絶滅危惧種のグアンで、白い翼の羽が特徴的。1977年に再発見された後、保護活動が進められている。