Chaco Chachalaca vs Band-tailed Guan
Ortalis canicollis 比較対象 Penelope argyrotis
Side-by-Side Comparison
| 属性 | Chaco Chachalaca | Band-tailed Guan |
|---|---|---|
| 学名 | Ortalis canicollis | Penelope argyrotis |
| 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) | 52.8 cm (20.8 in) |
| 体重 | 578.5 g (20.41 oz) | 798.0 g (28.15 oz) |
| 食性 | Eats fruits, berries, seeds, and leaves in Chaco scrubland and forest edges of Argentina, Bolivia, … | Frugivorous; eats fruits, berries, leaves, flowers, and buds in Andean forests of Venezuela and Colombia. … |
| 一腹卵数 | 2-4 | -- |
| 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.
Band-tailed Guan
Produces a loud, honking cackle and resonant wing-whirring in display flights. The deep, carrying honk and wing-whirr display is characteristic of this Andean Penelope guan.
Geographic Range & Migration
Chaco Chachalaca
Resident in the Chaco of Bolivia, Paraguay, and northern Argentina. Found in dry forest, thornbush, and gallery forest.
Band-tailed Guan
Resident in the Andes and mountains of Colombia and Venezuela from 1,000-2,400 m. Found in humid montane forest.
保全状況
Chaco Chachalaca
Band-tailed 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.
Band-tailed Guan
Brownish-black above with fine white streaking on neck and chest; bare red facial skin; lower underparts chestnut; tail broad with distinctive pale grey subterminal band.
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.
Band-tailed Guan
コロンビアとベネズエラの山岳林に生息するグアンで、銀白色の頭部の羽毛が特徴的。アンデス山脈の雲霧林に生息し、果実や葉を採食する。