Great Curassow vs Grey-headed Chachalaca
Crax rubra 比較対象 Ortalis cinereiceps
Side-by-Side Comparison
| 属性 | Great Curassow | Grey-headed Chachalaca |
|---|---|---|
| 学名 | Crax rubra | Ortalis cinereiceps |
| 目 | Galliformes | Galliformes |
| 科 | Cracidae | Cracidae |
| 保全状況 | Vulnerable | Least Concern |
| 体長 | — | — |
| 翼開長 | 76.2 cm (30.0 in) | 41.1 cm (16.2 in) |
| 体重 | 3756.1666666666665 g (132.49 oz) | 566.5 g (19.98 oz) |
| 食性 | Eats large fallen fruits, seeds, and invertebrates on forest floor in Central and South American … | Frugivorous and folivorous; eats fruits, berries, leaves, and buds in Central American forest edges and … |
| 一腹卵数 | 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.
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
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.
Grey-headed Chachalaca
Resident from Honduras south through Central America to Panama and northwestern Colombia. Found in humid forest and dense vegetation.
保全状況
Great Curassow
Grey-headed 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 …
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
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。
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.