Grey-headed Chachalaca vs Red-faced Guan
Ortalis cinereiceps comparado com Penelope dabbenei
Side-by-Side Comparison
| Atributo | Grey-headed Chachalaca | Red-faced Guan |
|---|---|---|
| Nome científico | Ortalis cinereiceps | Penelope dabbenei |
| Ordem | Galliformes | Galliformes |
| Família | Cracidae | Cracidae |
| Estado de conservação | Least Concern | Least Concern |
| Comprimento | — | — |
| Envergadura | 41,1 cm (16.2 in) | 56,7 cm (22.3 in) |
| Peso | 566,5 g (19.98 oz) | 1230,0 g (43.39 oz) |
| Dieta | Frugivorous and folivorous; eats fruits, berries, leaves, and buds in Central American forest edges and … | Frugivorous; eats fruits, berries, seeds, and leaves in Andean foothills forests of Bolivia and northwestern … |
| Tamanho da postura | 3 | 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.
Red-faced Guan
Produces a loud, resonant honking cackle and wing-whirring display. Calls carry through Bolivian and Argentinian Yungas cloud forest; wing-whirring is a diagnostic display.
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.
Red-faced Guan
Resident in the foothills and mountains of northwestern Argentina and adjacent Bolivia at 500-1,800 m. Found in humid Yungas forest.
Estado de conservação
Grey-headed Chachalaca
Red-faced 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.
Red-faced Guan
Dark brownish-olive; extensive bare bright red facial skin from lores to ear-coverts (larger than other guans); throat red-wattled; 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.
Red-faced Guan
A large cracid (~1.2 kg) of family Cracidae, with distinctive red bare facial skin. Inhabits montane humid forests of the eastern Andes in Bolivia and northwestern Argentina at 900–2,500 m elevation. Arboreal, foraging for fruits, seeds, and buds in the forest canopy. Least Concern; relatively restricted range in the Yungas forest zone but not considered under immediate threat.