Nocturnal Curassow vs Andean Guan
Nothocrax urumutum 比較対象 Penelope montagnii
Side-by-Side Comparison
| 属性 | Nocturnal Curassow | Andean Guan |
|---|---|---|
| 学名 | Nothocrax urumutum | Penelope montagnii |
| 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) | 48.3 cm (19.0 in) |
| 体重 | 1368.0 g (48.25 oz) | 650.0 g (22.93 oz) |
| 食性 | Frugivorous; eats fruits, seeds, and small invertebrates in Amazonian lowland forests. Nocturnal; rarely observed foraging. | Eats fruits, berries, leaves, flowers, and buds in Andean cloud forests. Forages at all levels … |
| 一腹卵数 | 1-2 | 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.
Andean Guan
Emits deep, resonant honking calls and loud wing-whirring display flights. Andean cloud forest echoes with both calls and wing-whirring at dawn across multiple Penelope guans.
Geographic Range & Migration
Nocturnal Curassow
Resident in the western Amazon Basin in Colombia, Venezuela, Ecuador, Peru, and Brazil. Found in lowland terra firme rainforest.
Andean Guan
Resident in the Andes from Venezuela and Colombia south to Bolivia at 1,500-3,600 m. Found in humid cloud forest and montane scrub.
保全状況
Nocturnal Curassow
Andean 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.
Andean Guan
Dark olive-brown above; bare red throat wattle; neck and breast streaked white on dark background; lower belly and flanks rufous-chestnut; tail dark with slight gloss.
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.
Andean Guan
アンデス山脈の雲霧林に広く分布するグアンで、コロンビアからボリビアまでの高地に生息する。アンデスの霧がかった森に適応した種で、果実や葉を採食する。