Blue-billed Curassow vs West Mexican Chachalaca
Crax alberti comparado com Ortalis poliocephala
Side-by-Side Comparison
| Atributo | Blue-billed Curassow | West Mexican Chachalaca |
|---|---|---|
| Nome científico | Crax alberti | Ortalis poliocephala |
| Ordem | Galliformes | Galliformes |
| Família | Cracidae | Cracidae |
| Estado de conservação | Critically Endangered | Least Concern |
| Comprimento | — | — |
| Envergadura | 80,2 cm (31.6 in) | 52,0 cm (20.5 in) |
| Peso | 2650,0 g (93.48 oz) | 760,0 g (26.81 oz) |
| Dieta | Frugivorous; eats large fruits, seeds, and invertebrates on ground of Colombian lowland forests. Critically endangered. | Frugivorous; eats fruits, berries, seeds, and leaves in West Mexican scrub and forest edges. Also … |
| Tamanho da postura | 2 | 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.
West Mexican Chachalaca
Emits a loud, raucous chachalaca chorus; individual calls are slightly lower than Plain Chachalaca. Dawn choruses boom across Mexico's Pacific slope thornscrub and tropical 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.
West Mexican Chachalaca
Endemic to the Pacific coast of Mexico from Sonora south to Jalisco. Found in tropical dry forest and thorn scrub.
Estado de conservação
Blue-billed Curassow
West Mexican 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 …
West Mexican Chachalaca
Olive-brown above with greyish head; bare reddish throat skin; underparts pale grey with buff-olive flanks; tail long and dark brown with white tips on outer feathers. Overall paler than eastern …
About These Birds
Blue-billed Curassow
Mutum-de-Albert (Crax alberti) — Mutum criticamente ameaçado endémico das florestas tropicais do noroeste da Colômbia. Macho negro com carúncula basal no bico; fêmea acastanhada barrada. Habita florestas densas de baixada. A intensa desflorestação e caça fez dele um dos cracídeos mais ameaçados do mundo, com menos de 2500 indivíduos.
West Mexican Chachalaca
A large chachalaca (~760 g) of family Cracidae, with a grey head and brownish body. Endemic to Mexico, inhabiting tropical dry and semi-deciduous forests of the Pacific coast from Jalisco to Oaxaca. Forages in groups for fruits, leaves, and seeds in forest canopy and understory. Least Concern; well adapted to secondary growth and forest edges throughout its restricted Mexican range.