Grey-headed Chachalaca vs White-winged Guan
Ortalis cinereiceps 比較対象 Penelope albipennis
Side-by-Side Comparison
| 属性 | Grey-headed Chachalaca | White-winged Guan |
|---|---|---|
| 学名 | Ortalis cinereiceps | Penelope albipennis |
| 目 | Galliformes | Galliformes |
| 科 | Cracidae | Cracidae |
| 保全状況 | Least Concern | Endangered |
| 体長 | — | — |
| 翼開長 | 41.1 cm (16.2 in) | 63.5 cm (25.0 in) |
| 体重 | 566.5 g (19.98 oz) | 1675.0 g (59.08 oz) |
| 食性 | Frugivorous and folivorous; eats fruits, berries, leaves, and buds in Central American forest edges and … | Eats fruits, berries, seeds, and leaves in Peruvian dry forest. Critically endangered; forages in canopy … |
| 一腹卵数 | 3 | 2-3 |
| Population Trend | — | — |
Habitat Comparison
Song & Call Comparison
Grey-headed Chachalaca
Produces a loud, raucous cha-cha-lac chorus at dawn; individual notes are hoarser and lower than Plain Chachalaca. Groups call antiphonally from treetops in Central American 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
Grey-headed Chachalaca
Resident from Honduras south through Central America to Panama and northwestern Colombia. Found in humid forest and dense vegetation.
White-winged Guan
Endemic to arid valleys in northwestern Peru (Tumbes and Piura). Found in dry forest remnants. Critically endangered.
保全状況
Grey-headed Chachalaca
White-winged Guan
How to Tell Them Apart
Grey-headed Chachalaca
Olive-brown body; head and neck distinctly grey contrasting with brownish back; bare reddish throat skin; underparts pale buff-grey; tail graduated, brown with paler tips on 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
Grey-headed Chachalaca
A medium-sized cracid (~565 g) of family Cracidae, with a distinctive grey head and olive-brown body. Inhabits humid tropical forests, forest edges, and scrublands from Honduras south to northwestern Colombia. Forages in groups for fruits, berries, leaves, and insects in the understory and canopy. Least Concern; common throughout its range in Central American lowlands.
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。