Nocturnal Curassow vs Band-tailed Guan
Nothocrax urumutum 比較対象 Penelope argyrotis
Side-by-Side Comparison
| 属性 | Nocturnal Curassow | Band-tailed Guan |
|---|---|---|
| 学名 | Nothocrax urumutum | Penelope argyrotis |
| 目 | Galliformes | Galliformes |
| 科 | Cracidae | Cracidae |
| 保全状況 | Least Concern | Least Concern |
| 体長 | — | — |
| 翼開長 | 56.1 cm (22.1 in) | 52.8 cm (20.8 in) |
| 体重 | 1368.0 g (48.25 oz) | 798.0 g (28.15 oz) |
| 食性 | Frugivorous; eats fruits, seeds, and small invertebrates in Amazonian lowland forests. Nocturnal; rarely observed foraging. | Frugivorous; eats fruits, berries, leaves, flowers, and buds in Andean forests of Venezuela and Colombia. … |
| 一腹卵数 | 1-2 | -- |
| Population Trend | — | — |
Habitat Comparison
Song & Call Comparison
Nocturnal Curassow
Produces a loud, far-carrying booming call at night; calls are resonant and owl-like. This nocturnal curassow's deep, resonant booming is heard after dark in western Amazonian forest.
Band-tailed Guan
Produces a loud, honking cackle and resonant wing-whirring in display flights. The deep, carrying honk and wing-whirr display is characteristic of this Andean Penelope guan.
Geographic Range & Migration
Nocturnal Curassow
Resident in the western Amazon Basin in Colombia, Venezuela, Ecuador, Peru, and Brazil. Found in lowland terra firme rainforest.
Band-tailed Guan
Resident in the Andes and mountains of Colombia and Venezuela from 1,000-2,400 m. Found in humid montane forest.
保全状況
Nocturnal Curassow
Band-tailed Guan
How to Tell Them Apart
Nocturnal Curassow
Chestnut-brown above with blackish scaling; head and neck dark with small black crest tipped rufous; face bare red-orange; underparts pale buff barred chestnut; tail chestnut broadly banded black.
Band-tailed Guan
Brownish-black above with fine white streaking on neck and chest; bare red facial skin; lower underparts chestnut; tail broad with distinctive pale grey subterminal band.
About These Birds
Nocturnal Curassow
A medium-large cracid (~1.4 kg) of family Cracidae, the only curassow known for crepuscular and nocturnal activity. Has reddish-brown barred plumage and a small crest. Inhabits humid lowland rainforest in the western Amazon basin in Colombia, Ecuador, Peru, and Brazil. Feeds on fruits and invertebrates. Least Concern; secretive behavior and dense forest habitat provide natural protection.
Band-tailed Guan
コロンビアとベネズエラの山岳林に生息するグアンで、銀白色の頭部の羽毛が特徴的。アンデス山脈の雲霧林に生息し、果実や葉を採食する。