Chaco Chachalaca vs Andean Guan
Ortalis canicollis 比較対象 Penelope montagnii
Side-by-Side Comparison
| 属性 | Chaco Chachalaca | Andean Guan |
|---|---|---|
| 学名 | Ortalis canicollis | Penelope montagnii |
| 目 | Galliformes | Galliformes |
| 科 | Cracidae | Cracidae |
| 保全状況 | Least Concern | Least Concern |
| 体長 | — | — |
| 翼開長 | 47.1 cm (18.5 in) | 48.3 cm (19.0 in) |
| 体重 | 578.5 g (20.41 oz) | 650.0 g (22.93 oz) |
| 食性 | Eats fruits, berries, seeds, and leaves in Chaco scrubland and forest edges of Argentina, Bolivia, … | Eats fruits, berries, leaves, flowers, and buds in Andean cloud forests. Forages at all levels … |
| 一腹卵数 | 2-4 | 2 |
| Population Trend | — | — |
Habitat Comparison
Song & Call Comparison
Chaco Chachalaca
Produces a loud, raucous cha-cha-lac chorus; calls are dry and slightly nasal. Dawn choruses echo across the Chaco scrubland; groups call insistently from prominent perches.
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
Chaco Chachalaca
Resident in the Chaco of Bolivia, Paraguay, and northern Argentina. Found in dry forest, thornbush, and gallery forest.
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
Chaco Chachalaca
Andean Guan
How to Tell Them Apart
Chaco Chachalaca
Brownish-olive above; neck and head pale grey ('canicollis' = grey-necked); bare pink throat skin; underparts pale grey-white; tail dark brownish with white-tipped outer rectrices.
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
Chaco Chachalaca
A medium-sized cracid (~580 g) of family Cracidae, with grey neck and olive-brown plumage. Inhabits the dry woodlands, gallery forests, and thorn scrub of the Gran Chaco region across Bolivia, Paraguay, Brazil, and Argentina. Feeds in social groups on fruits, leaves, and seeds. Least Concern; broadly distributed across the Chaco, tolerating degraded and secondary habitats.
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。