Grey-headed Chachalaca vs Horned Curassow
Ortalis cinereiceps comparé à Pauxi unicornis
Side-by-Side Comparison
| Attribut | Grey-headed Chachalaca | Horned Curassow |
|---|---|---|
| Nom scientifique | Ortalis cinereiceps | Pauxi unicornis |
| Ordre | Galliformes | Galliformes |
| Famille | Cracidae | Cracidae |
| Statut de conservation | Least Concern | Critically Endangered |
| Longueur | — | — |
| Envergure | 41,1 cm (16.2 in) | 81,2 cm (32.0 in) |
| Poids | 566,5 g (19.98 oz) | 3725,0 g (131.40 oz) |
| Régime alimentaire | Frugivorous and folivorous; eats fruits, berries, leaves, and buds in Central American forest edges and … | Frugivorous; eats large seeds, fruits, and invertebrates on the floor of Bolivian and Peruvian montane … |
| Taille de la couvée | 3 | 1 |
| 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.
Horned Curassow
Emits a deep, resonant booming call. The powerful, far-carrying boom is infrequently recorded; Critically Endangered; calls in Bolivian cloud forest are among the rarest cracid sounds.
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.
Horned Curassow
Endemic to the east Andean slopes of Bolivia in Santa Cruz and Cochabamba at 1,000-2,000 m. Found in humid montane forest. Endangered.
Statut de conservation
Grey-headed Chachalaca
Horned Curassow
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.
Horned Curassow
Glossy black; white lower belly and undertail; a single erect blue-grey conical horn on forehead (smaller than Helmeted Curassow casque); red bill; legs red. Very rare; horn distinguishes from all …
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.
Horned Curassow
A large cracid (~3.7 kg) of family Cracidae, bearing a prominent red casque on the forehead resembling a unicorn horn. Found in humid lowland and foothill forests in Bolivia and possibly Peru. Forages on the forest floor for fallen fruits. Critically Endangered; one of the rarest birds in South America with extremely limited range, severe habitat loss, and hunting pressure.