Grey-headed Chachalaca vs White-winged Guan
Ortalis cinereiceps comparado com Penelope albipennis
Side-by-Side Comparison
| Atributo | Grey-headed Chachalaca | White-winged Guan |
|---|---|---|
| Nome científico | Ortalis cinereiceps | Penelope albipennis |
| Ordem | Galliformes | Galliformes |
| Família | Cracidae | Cracidae |
| Estado de conservação | Least Concern | Endangered |
| Comprimento | — | — |
| Envergadura | 41,1 cm (16.2 in) | 63,5 cm (25.0 in) |
| Peso | 566,5 g (19.98 oz) | 1675,0 g (59.08 oz) |
| Dieta | 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 … |
| Tamanho da postura | 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.
Estado de conservação
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
A large cracid (~1.7 kg) of family Cracidae, with distinctive white primary feathers visible in flight. Endemic to dry forests of the Tumbes region in northwestern Peru. Inhabits deciduous and semi-humid forests in ravines and hillsides. Arboreal frugivore. Endangered; rediscovered in 1977 after being presumed extinct, with ongoing conservation through captive breeding and habitat protection.