Andean Guan vs Dusky-legged Guan
Penelope montagnii 对比 Penelope obscura
Side-by-Side Comparison
| 属性 | Andean Guan | Dusky-legged Guan |
|---|---|---|
| 学名 | Penelope montagnii | Penelope obscura |
| 目 | Galliformes | Galliformes |
| 科 | Cracidae | Cracidae |
| 保护状况 | Least Concern | Least Concern |
| 体长 | — | — |
| 翼展 | 48.3 cm (19.0 in) | 61.9 cm (24.4 in) |
| 体重 | 650.0 g (22.93 oz) | 1530.0 g (53.97 oz) |
| 食性 | Eats fruits, berries, leaves, flowers, and buds in Andean cloud forests. Forages at all levels … | Eats fruits, berries, seeds, leaves, and flowers in South American Atlantic forest and Araucaria forest. … |
| 产卵数 | 2 | 2-4 |
| Population Trend | — | — |
Habitat Comparison
Song & Call Comparison
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.
Dusky-legged Guan
Emits a loud, resonant honking cackle and strong wing-whirring display. The deep, carrying call echoes through southern South American subtropical and humid forest.
Geographic Range & Migration
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.
Dusky-legged Guan
Resident in southeastern Brazil, Paraguay, Uruguay, and northeastern Argentina. Found in Atlantic Forest and gallery woodland.
保护状况
Andean Guan
Dusky-legged Guan
How to Tell Them Apart
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.
Dusky-legged Guan
Dark brownish-olive above; dark grey legs; bare red throat wattle; neck and breast streaked pale; lower underparts rufous-chestnut; tail dark. Dusky legs distinguish it from similar Spix's Guan.
About These Birds
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.
Dusky-legged Guan
A large cracid (~1.5 kg) of family Cracidae, with dark legs, olive-brown plumage, and a red wattle. Found in Atlantic Forest and subtropical forests of southeastern Brazil, eastern Paraguay, northeastern Argentina, and Uruguay. Arboreal frugivore. Least Concern; one of the most common guans in southeastern South America and increasingly tolerant of forest fragments.