Grey-headed Chachalaca vs Marail Guan
Ortalis cinereiceps comparé à Penelope marail
Side-by-Side Comparison
| Attribut | Grey-headed Chachalaca | Marail Guan |
|---|---|---|
| Nom scientifique | Ortalis cinereiceps | Penelope marail |
| Ordre | Galliformes | Galliformes |
| Famille | Cracidae | Cracidae |
| Statut de conservation | Least Concern | Least Concern |
| Longueur | — | — |
| Envergure | 41,1 cm (16.2 in) | 64,3 cm (25.3 in) |
| Poids | 566,5 g (19.98 oz) | 1067,0 g (37.64 oz) |
| Régime alimentaire | Frugivorous and folivorous; eats fruits, berries, leaves, and buds in Central American forest edges and … | Frugivorous; eats fruits, berries, seeds, and leaves in Amazonian and Guianan lowland rainforests. Also takes … |
| Taille de la couvée | 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.
Marail Guan
Produces a loud, resonant honking cackle; wing-whirring display is loud and sustained. The carrying honk and powerful wing-whirr echo through Amazonian and Guyanan terra firme forest.
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.
Marail Guan
Resident in the Guiana Highlands and adjacent areas of Venezuela, Guyana, Suriname, and northern Brazil. Found in montane and foothill forest.
Statut de conservation
Grey-headed Chachalaca
Marail 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.
Marail Guan
Dark brownish-olive overall; neck and upper breast streaked white; bare red throat wattle; lower underparts rich rufous-chestnut; back with greenish gloss; tail long and dark brown.
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.
Marail Guan
A medium-large cracid (~1.1 kg) of family Cracidae, with olive-brown plumage and a red wattle. Inhabits humid lowland and foothill tropical forests of the Guiana Shield, including Suriname, Guyana, French Guiana, and northern Brazil. Arboreal, feeding on fruits and seeds. Least Concern; widespread in the Guiana region with intact forest cover supporting healthy populations.