Grey-headed Chachalaca vs Andean Guan
Ortalis cinereiceps comparé à Penelope montagnii
Side-by-Side Comparison
| Attribut | Grey-headed Chachalaca | Andean Guan |
|---|---|---|
| Nom scientifique | Ortalis cinereiceps | Penelope montagnii |
| Ordre | Galliformes | Galliformes |
| Famille | Cracidae | Cracidae |
| Statut de conservation | Least Concern | Least Concern |
| Longueur | — | — |
| Envergure | 41,1 cm (16.2 in) | 48,3 cm (19.0 in) |
| Poids | 566,5 g (19.98 oz) | 650,0 g (22.93 oz) |
| Régime alimentaire | Frugivorous and folivorous; eats fruits, berries, leaves, and buds in Central American forest edges and … | Eats fruits, berries, leaves, flowers, and buds in Andean cloud forests. Forages at all levels … |
| Taille de la couvée | 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.
Andean Guan
Emits deep, resonant honking calls and loud wing-whirring display flights. Andean cloud forest echoes with both calls and wing-whirring at dawn across multiple Penelope guans.
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.
Andean Guan
Resident in the Andes from Venezuela and Colombia south to Bolivia at 1,500-3,600 m. Found in humid cloud forest and montane scrub.
Statut de conservation
Grey-headed Chachalaca
Andean 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.
Andean Guan
Dark olive-brown above; bare red throat wattle; neck and breast streaked white on dark background; lower belly and flanks rufous-chestnut; tail dark with slight gloss.
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.
Andean Guan
A medium-sized cracid (~650 g) of family Cracidae, with dull brown-olive plumage and a bare red throat wattle. Inhabits Andean cloud forests and forest edges from Venezuela south to Bolivia at elevations of 1,200–3,500 m. Feeds on fruits, seeds, and invertebrates. Least Concern; widespread in montane Andes and one of the more commonly encountered Penelope guans.