Black Curassow vs Grey-headed Chachalaca
Crax alector verglichen mit Ortalis cinereiceps
Side-by-Side Comparison
| Merkmal | Black Curassow | Grey-headed Chachalaca |
|---|---|---|
| Wissenschaftlicher Name | Crax alector | Ortalis cinereiceps |
| Ordnung | Galliformes | Galliformes |
| Familie | Cracidae | Cracidae |
| Erhaltungsstatus | Least Concern | Least Concern |
| Länge | — | — |
| Flügelspannweite | 79,0 cm (31.1 in) | 41,1 cm (16.2 in) |
| Gewicht | 3106,25 g (109.57 oz) | 566,5 g (19.98 oz) |
| Ernährung | Frugivorous; eats large fallen fruits, seeds, and invertebrates on forest floor of Amazonian and Guianan … | Frugivorous and folivorous; eats fruits, berries, leaves, and buds in Central American forest edges and … |
| Gelegegröße | 2-3 | 3 |
| Population Trend | — | — |
Habitat Comparison
Song & Call Comparison
Black Curassow
Produces a deep, resonant booming call and guttural contact notes. The male's powerful boom echoes through Amazonian and Guyanan lowland forest at dawn.
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
Black Curassow
Resident in the Guiana region from Venezuela and the Guianas south into northern Brazil. Found in lowland terra firme rainforest.
Grey-headed Chachalaca
Resident from Honduras south through Central America to Panama and northwestern Colombia. Found in humid forest and dense vegetation.
Erhaltungsstatus
Black Curassow
Grey-headed Chachalaca
How to Tell Them Apart
Black Curassow
Male is entirely glossy black except for white lower belly and undertail; curly black crest; pale bluish-white knob at bill base; no yellow tones. Female dark brownish-black, faintly barred, with …
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
Black Curassow
A large cracid (~3.1 kg) of family Cracidae, males glossy black with a pale bill and curly frontal crest. Inhabits humid lowland forests in the Guianas, Venezuela, and northern Brazil. Forages on the forest floor and in the lower canopy for fruits, seeds, and invertebrates. Least Concern; relatively widespread in the Guiana region's large intact forest tracts.
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.