Grey-headed Chachalaca vs Cauca Guan
Ortalis cinereiceps ile kıyaslandığında Penelope perspicax
Side-by-Side Comparison
| Özellik | Grey-headed Chachalaca | Cauca Guan |
|---|---|---|
| Bilimsel Ad | Ortalis cinereiceps | Penelope perspicax |
| Takım | Galliformes | Galliformes |
| Familya | Cracidae | Cracidae |
| Koruma Durumu | Least Concern | Vulnerable |
| Uzunluk | — | — |
| Kanat Açıklığı | 41,1 cm (16.2 in) | 65,0 cm (25.6 in) |
| Ağırlık | 566,5 g (19.98 oz) | 1197,0 g (42.22 oz) |
| Beslenme | Frugivorous and folivorous; eats fruits, berries, leaves, and buds in Central American forest edges and … | Frugivorous; eats fruits, berries, and leaves in Colombian Cauca Valley forests. Critically endangered with very … |
| Kuluçka Büyüklüğü | 3 | 2 |
| 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.
Cauca Guan
Produces a loud, honking cackle and powerful wing-whirring display. Critically endangered; calls carry across Colombian Cauca Valley forest fragments; wing-whirr is diagnostic.
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.
Cauca Guan
Endemic to the Cauca Valley of Colombia. Found in humid forest remnants at 1,000-2,000 m. Critically endangered.
Koruma Durumu
Grey-headed Chachalaca
Cauca 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.
Cauca Guan
Dark brownish-black above; neck and breast streaked white; bare red throat skin; lower underparts deep rufous-chestnut; back faintly glossed; tail dark brown. White streaking is bolder than in most Penelope …
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.
Cauca Guan
A medium-large cracid (~1.2 kg) of family Cracidae, with olive-brown plumage and a red throat wattle. Endemic to the upper Cauca Valley of Colombia at 1,200–2,400 m elevation. Inhabits remnant humid Andean forests. Arboreal, feeding on fruits and seeds. Vulnerable due to severe deforestation in one of Colombia's most densely populated valleys and ongoing hunting pressure.