Grey-headed Chachalaca vs Helmeted Curassow
Ortalis cinereiceps 比較対象 Pauxi pauxi
Side-by-Side Comparison
| 属性 | Grey-headed Chachalaca | Helmeted Curassow |
|---|---|---|
| 学名 | Ortalis cinereiceps | Pauxi pauxi |
| 目 | Galliformes | Galliformes |
| 科 | Cracidae | Cracidae |
| 保全状況 | Least Concern | Vulnerable |
| 体長 | — | — |
| 翼開長 | 41.1 cm (16.2 in) | 75.9 cm (29.9 in) |
| 体重 | 566.5 g (19.98 oz) | 3150.0 g (111.11 oz) |
| 食性 | Frugivorous and folivorous; eats fruits, berries, leaves, and buds in Central American forest edges and … | Eats large seeds, fruits, and small invertebrates on the forest floor in Venezuelan and Colombian … |
| 一腹卵数 | 3 | 2 |
| 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.
Helmeted Curassow
Produces a deep, far-carrying booming call and guttural contact calls. The powerful boom echoes through Colombian and Venezuelan montane forest; contact calls are deep, resonant clucks.
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.
Helmeted Curassow
Resident in the Andes foothills of Venezuela and Colombia at 200-1,500 m. Found in humid lowland and foothill forest. Vulnerable.
保全状況
Grey-headed Chachalaca
Helmeted 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.
Helmeted Curassow
Glossy black throughout; white lower belly and vent; spectacular large grey-blue casque on forehead; red bill; no crest; legs red. The grey-blue helmet-like casque is unmistakable and unique.
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.
Helmeted Curassow
ベネズエラとコロンビアの山岳林に生息するサケズドリで、青みがかった球状の嘴盾が顕著な特徴。地上で採食し、地面に落ちた果実や種子を食べる。