Blue-billed Curassow vs Rufous-headed Chachalaca
Crax alberti compared with Ortalis erythroptera
Side-by-Side Comparison
| Attribute | Blue-billed Curassow | Rufous-headed Chachalaca |
|---|---|---|
| Scientific Name | Crax alberti | Ortalis erythroptera |
| Order | Galliformes | Galliformes |
| Family | Cracidae | Cracidae |
| Conservation Status | Critically Endangered | Vulnerable |
| Length | — | — |
| Wingspan | 80.2 cm (31.6 in) | 43.8 cm (17.2 in) |
| Weight | 2650.0 g (93.48 oz) | 632.5 g (22.31 oz) |
| Diet | Frugivorous; eats large fruits, seeds, and invertebrates on ground of Colombian lowland forests. Critically endangered. | Frugivorous; eats fruits, berries, seeds, and leaves in Pacific slope forests and forest edges of … |
| Clutch Size | 2 | 3 |
| Population Trend | — | — |
Habitat Comparison
Song & Call Comparison
Blue-billed Curassow
Produces a deep, resonant booming call; male gives guttural contact calls. Critically Endangered; voice rarely heard in the wild in remnant Colombian forest.
Rufous-headed Chachalaca
Emits a loud, raucous chachalaca chorus; individual calls are slightly higher than Rufous-vented. Dawn choruses carry across Ecuadorian and Peruvian coastal dry forest.
Geographic Range & Migration
Blue-billed Curassow
Endemic to northwestern Colombia in the Sierra Nevada de Santa Marta and nearby ranges. Found in humid forest at 200-1,000 m. Critically endangered.
Rufous-headed Chachalaca
Resident in western Ecuador and northwestern Peru. Found in tropical deciduous forest and scrub in the Tumbes-Chocó-Magdalena region.
Conservation Status
Blue-billed Curassow
Rufous-headed Chachalaca
How to Tell Them Apart
Blue-billed Curassow
Male is glossy black with white belly and curly black crest; distinctive bright blue bill with no yellow knob. Female is barred black-and-chestnut with curly crest; blue bill separates it …
Rufous-headed Chachalaca
Brownish-olive body; head and upper neck warm rufous-cinnamon, distinctly contrasting with greyish-brown back; bare reddish throat wattle; underparts pale buff; tail dark with pale outer tips.
About These Birds
Blue-billed Curassow
A large cracid (~2.7 kg) of family Cracidae, males black with a prominent blue bill and knob. Endemic to the lowland and foothill forests of northern Colombia. Forages on the forest floor for fruits, seeds, and invertebrates. Critically Endangered; one of Colombia's most threatened birds with severely fragmented populations due to extensive deforestation and uncontrolled hunting.
Rufous-headed Chachalaca
A medium-sized cracid (~630 g) of family Cracidae, with a striking rufous head. Inhabits humid and deciduous forests, forest edges, and scrub in western Ecuador and northwestern Peru. Feeds on fruits and leaves in the forest understory and canopy. Vulnerable due to extensive deforestation in the Tumbesian region, one of the world's most threatened biodiversity hotspots.