Band-tailed Guan vs Chestnut-bellied Guan
Penelope argyrotis 比較対象 Penelope ochrogaster
Side-by-Side Comparison
| 属性 | Band-tailed Guan | Chestnut-bellied Guan |
|---|---|---|
| 学名 | Penelope argyrotis | Penelope ochrogaster |
| 目 | Galliformes | Galliformes |
| 科 | Cracidae | Cracidae |
| 保全状況 | Least Concern | Vulnerable |
| 体長 | — | — |
| 翼開長 | 52.8 cm (20.8 in) | 64.1 cm (25.2 in) |
| 体重 | 798.0 g (28.15 oz) | 1214.5 g (42.84 oz) |
| 食性 | Frugivorous; eats fruits, berries, leaves, flowers, and buds in Andean forests of Venezuela and Colombia. … | Frugivorous; eats fruits, berries, seeds, and leaves in Brazilian Cerrado and gallery forests. Vulnerable species. |
| 一腹卵数 | -- | 2 |
| Population Trend | — | — |
Habitat Comparison
Song & Call Comparison
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.
Chestnut-bellied Guan
Produces a loud, resonant honking cackle and wing-whirring display flights. Calls carry through Brazilian interior forest; classified Vulnerable due to habitat loss.
Geographic Range & Migration
Band-tailed Guan
Resident in the Andes and mountains of Colombia and Venezuela from 1,000-2,400 m. Found in humid montane forest.
Chestnut-bellied Guan
Endemic to central Brazil in the cerrado of Goiás and Mato Grosso. Found in dry forest and cerrado woodland near gallery forest.
保全状況
Band-tailed Guan
Chestnut-bellied Guan
How to Tell Them Apart
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.
Chestnut-bellied Guan
Dark brownish-black above; bare red throat wattle; neck and breast streaked white on dark; belly and flanks rich uniform chestnut-orange, more saturated than most Penelope guans; tail dark.
About These Birds
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。
Chestnut-bellied Guan
ブラジル中部のセラード（熱帯草原）と移行林に生息するグアンで、橙色がかった腹部が名前の由来。生息地の農地化により個体数が減少している。