West Mexican Chachalaca vs White-winged Guan
Ortalis poliocephala comparado com Penelope albipennis
Side-by-Side Comparison
| Atributo | West Mexican Chachalaca | White-winged Guan |
|---|---|---|
| Nome científico | Ortalis poliocephala | Penelope albipennis |
| Ordem | Galliformes | Galliformes |
| Família | Cracidae | Cracidae |
| Estado de conservação | Least Concern | Endangered |
| Comprimento | — | — |
| Envergadura | 52,0 cm (20.5 in) | 63,5 cm (25.0 in) |
| Peso | 760,0 g (26.81 oz) | 1675,0 g (59.08 oz) |
| Dieta | Frugivorous; eats fruits, berries, seeds, and leaves in West Mexican scrub and forest edges. Also … | Eats fruits, berries, seeds, and leaves in Peruvian dry forest. Critically endangered; forages in canopy … |
| Tamanho da postura | 2-3 | 2-3 |
| Population Trend | — | — |
Habitat Comparison
Song & Call Comparison
West Mexican Chachalaca
Emits a loud, raucous chachalaca chorus; individual calls are slightly lower than Plain Chachalaca. Dawn choruses boom across Mexico's Pacific slope thornscrub and tropical dry forest.
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
West Mexican Chachalaca
Endemic to the Pacific coast of Mexico from Sonora south to Jalisco. Found in tropical dry forest and thorn scrub.
White-winged Guan
Endemic to arid valleys in northwestern Peru (Tumbes and Piura). Found in dry forest remnants. Critically endangered.
Estado de conservação
West Mexican Chachalaca
White-winged Guan
How to Tell Them Apart
West Mexican Chachalaca
Olive-brown above with greyish head; bare reddish throat skin; underparts pale grey with buff-olive flanks; tail long and dark brown with white tips on outer feathers. Overall paler than eastern …
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
West Mexican Chachalaca
A large chachalaca (~760 g) of family Cracidae, with a grey head and brownish body. Endemic to Mexico, inhabiting tropical dry and semi-deciduous forests of the Pacific coast from Jalisco to Oaxaca. Forages in groups for fruits, leaves, and seeds in forest canopy and understory. Least Concern; well adapted to secondary growth and forest edges throughout its restricted Mexican range.
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.