Great Curassow vs West Mexican Chachalaca
Crax rubra 比較対象 Ortalis poliocephala
Side-by-Side Comparison
| 属性 | Great Curassow | West Mexican Chachalaca |
|---|---|---|
| 学名 | Crax rubra | Ortalis poliocephala |
| 目 | Galliformes | Galliformes |
| 科 | Cracidae | Cracidae |
| 保全状況 | Vulnerable | Least Concern |
| 体長 | — | — |
| 翼開長 | 76.2 cm (30.0 in) | 52.0 cm (20.5 in) |
| 体重 | 3756.1666666666665 g (132.49 oz) | 760.0 g (26.81 oz) |
| 食性 | Eats large fallen fruits, seeds, and invertebrates on forest floor in Central and South American … | Frugivorous; eats fruits, berries, seeds, and leaves in West Mexican scrub and forest edges. Also … |
| 一腹卵数 | 2 | 2-3 |
| Population Trend | — | — |
Habitat Comparison
Song & Call Comparison
Great Curassow
Emits a deep, resonant booming call; male also produces loud, crowing notes. The powerful boom carries through Central American and northwestern South American tropical forest at dawn.
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
Great Curassow
Resident from Mexico through Central America south to western Ecuador and Colombia. Found in lowland and foothill humid forest to 1,500 m.
West Mexican Chachalaca
Endemic to the Pacific coast of Mexico from Sonora south to Jalisco. Found in tropical dry forest and thorn scrub.
保全状況
Great Curassow
West Mexican Chachalaca
How to Tell Them Apart
Great Curassow
Male glossy black with white belly and curly black crest; bright yellow knob at bill base; female dimorphic with three morphs: barred brown, rufous, or black, all with barred tails …
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
Great Curassow
グレートクラシャウ（Crax rubra）— 中央アメリカとコロンビア北西部の雨林に生息する大型のホッコ。オスは黄色いコブをもつ黒い鳥で、メスは縞模様をもつ。
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.