Nocturnal Curassow vs Andean Guan
Nothocrax urumutum comparé à Penelope montagnii
Side-by-Side Comparison
| Attribut | Nocturnal Curassow | Andean Guan |
|---|---|---|
| Nom scientifique | Nothocrax urumutum | Penelope montagnii |
| Ordre | Galliformes | Galliformes |
| Famille | Cracidae | Cracidae |
| Statut de conservation | Least Concern | Least Concern |
| Longueur | — | — |
| Envergure | 56,1 cm (22.1 in) | 48,3 cm (19.0 in) |
| Poids | 1368,0 g (48.25 oz) | 650,0 g (22.93 oz) |
| Régime alimentaire | 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 … |
| Taille de la couvée | 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.
Statut de conservation
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
A medium-sized cracid (~650 g) of family Cracidae, with dull brown-olive plumage and a bare red throat wattle. Inhabits Andean cloud forests and forest edges from Venezuela south to Bolivia at elevations of 1,200–3,500 m. Feeds on fruits, seeds, and invertebrates. Least Concern; widespread in montane Andes and one of the more commonly encountered Penelope guans.