Crestless Curassow vs West Mexican Chachalaca
Mitu tomentosum 比較対象 Ortalis poliocephala
Side-by-Side Comparison
| 属性 | Crestless Curassow | West Mexican Chachalaca |
|---|---|---|
| 学名 | Mitu tomentosum | Ortalis poliocephala |
| 目 | Galliformes | Galliformes |
| 科 | Cracidae | Cracidae |
| 保全状況 | Least Concern | Least Concern |
| 体長 | — | — |
| 翼開長 | 72.9 cm (28.7 in) | 52.0 cm (20.5 in) |
| 体重 | 2268.75 g (80.03 oz) | 760.0 g (26.81 oz) |
| 食性 | Eats fruits, seeds, and invertebrates in Amazonian lowland forests of Venezuela, Colombia, and Brazil. Forages … | 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
Crestless Curassow
Emits a deep, resonant booming call; male's voice is extraordinarily loud. The deep, far-carrying booms of displaying males echo through Amazonian and Orinoco 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
Crestless Curassow
Resident in the Orinoco and Amazon Basins of Venezuela, Colombia, and northern Brazil. Found in lowland rainforest and forest edges.
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
Crestless Curassow
West Mexican Chachalaca
How to Tell Them Apart
Crestless Curassow
Glossy black above and on breast; lower belly and undertail coverts white; bill large and bright red; no crest. White belly and red bill against black plumage create strong contrast.
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
Crestless Curassow
ベネズエラとコロンビア・ブラジル国境のアマゾン流域に生息するワティルドクラシオウ。体長80〜90cm。黒い羽毛と肉垂が特徴的。低地の熱帯雨林に生息し果実を食べる。脆弱種。
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.