Spix's Guan vs Andean Guan
Penelope jacquacu 比較対象 Penelope montagnii
Side-by-Side Comparison
| 属性 | Spix's Guan | Andean Guan |
|---|---|---|
| 学名 | Penelope jacquacu | Penelope montagnii |
| 目 | Galliformes | Galliformes |
| 科 | Cracidae | Cracidae |
| 保全状況 | Least Concern | Least Concern |
| 体長 | — | — |
| 翼開長 | 59.3 cm (23.3 in) | 48.3 cm (19.0 in) |
| 体重 | 1469.5 g (51.84 oz) | 650.0 g (22.93 oz) |
| 食性 | Frugivorous; eats fruits, berries, seeds, and leaves in Amazonian lowland forests. Forages in canopy and … | Eats fruits, berries, leaves, flowers, and buds in Andean cloud forests. Forages at all levels … |
| 一腹卵数 | 2-3 | 2 |
| Population Trend | — | — |
Habitat Comparison
Song & Call Comparison
Spix's Guan
Produces a loud, resonant honking cackle; wing-whirring display is vigorous. Calls are deeper and louder than smaller guans; echoes through Amazonian terra firme canopy.
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
Spix's Guan
Resident in the Amazon Basin from Colombia and Venezuela south to Bolivia and Brazil. Found in lowland rainforest, especially along rivers.
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
Spix's Guan
Andean Guan
How to Tell Them Apart
Spix's Guan
Predominantly dark olive-brown; bare reddish throat wattle; neck and breast streaked white; lower belly and flanks rufous; wing coverts with fine pale edging; tail long, dark brown.
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
Spix's Guan
アマゾン流域の熱帯雨林に広く分布するグアンで、南米で最も一般的なグアンの一種。果実、葉、花を採食し、大きな群れを形成することがある。
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。