East Brazilian Chachalaca vs Grey-headed Chachalaca
Ortalis araucuan comparado con Ortalis cinereiceps
Side-by-Side Comparison
| Atributo | East Brazilian Chachalaca | Grey-headed Chachalaca |
|---|---|---|
| Nombre científico | Ortalis araucuan | Ortalis cinereiceps |
| Orden | Galliformes | Galliformes |
| Familia | Cracidae | Cracidae |
| Estado de conservación | Least Concern | Least Concern |
| Longitud | — | — |
| Envergadura | 36,0 cm (14.2 in) | 41,1 cm (16.2 in) |
| Peso | 550,0 g (19.40 oz) | 566,5 g (19.98 oz) |
| Dieta | Frugivorous; eats fruits, berries, seeds, and leaves in caatinga and Atlantic forest edges of northeastern … | Frugivorous and folivorous; eats fruits, berries, leaves, and buds in Central American forest edges and … |
| Tamaño de la puesta | 3 | 3 |
| Population Trend | — | — |
Habitat Comparison
Hábitats compartidos
East Brazilian Chachalaca only
Grey-headed Chachalaca only
Ninguno
Song & Call Comparison
East Brazilian Chachalaca
Emits a loud, raucous chachalaca chorus; eastern Brazilian populations have a slightly nasal quality. Dawn choruses boom across Caatinga and Atlantic forest fragments.
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.
Geographic Range & Migration
East Brazilian Chachalaca
Endemic to northeastern Brazil in the states of Maranhão, Piauí, and Ceará. Found in caatinga dry scrub and transitional forest.
Grey-headed Chachalaca
Resident from Honduras south through Central America to Panama and northwestern Colombia. Found in humid forest and dense vegetation.
Estado de conservación
East Brazilian Chachalaca
Grey-headed Chachalaca
How to Tell Them Apart
East Brazilian Chachalaca
Brownish-olive upperparts; grey-brown head; bare reddish throat skin; underparts pale olive-buff with pale grey wash on breast; tail dark brown, outer feathers tipped pale whitish.
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.
About These Birds
East Brazilian Chachalaca
A medium-sized cracid (~550 g) of family Cracidae, endemic to northeastern and eastern Brazil. Inhabits the caatinga scrublands, cerrado woodland edges, and Atlantic Forest fragments. Forages in groups on fruits, seeds, and leaves. Least Concern; one of the few cracids adapted to Brazil's semi-arid caatinga biome and tolerant of disturbed habitats.
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.