Band-tailed Guan vs Red-faced Guan
Penelope argyrotis 比較対象 Penelope dabbenei
Side-by-Side Comparison
| 属性 | Band-tailed Guan | Red-faced Guan |
|---|---|---|
| 学名 | Penelope argyrotis | Penelope dabbenei |
| 目 | Galliformes | Galliformes |
| 科 | Cracidae | Cracidae |
| 保全状況 | Least Concern | Least Concern |
| 体長 | — | — |
| 翼開長 | 52.8 cm (20.8 in) | 56.7 cm (22.3 in) |
| 体重 | 798.0 g (28.15 oz) | 1230.0 g (43.39 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 Andean foothills forests of Bolivia and northwestern … |
| 一腹卵数 | -- | 3 |
| 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.
Red-faced Guan
Produces a loud, resonant honking cackle and wing-whirring display. Calls carry through Bolivian and Argentinian Yungas cloud forest; wing-whirring is a diagnostic display.
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.
Red-faced Guan
Resident in the foothills and mountains of northwestern Argentina and adjacent Bolivia at 500-1,800 m. Found in humid Yungas forest.
保全状況
Band-tailed Guan
Red-faced 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.
Red-faced Guan
Dark brownish-olive; extensive bare bright red facial skin from lores to ear-coverts (larger than other guans); throat red-wattled; breast finely streaked white; lower belly rufous; 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。
Red-faced Guan
アルゼンチン北部とボリビア南部の熱帯・亜熱帯林に生息するグアンで、分布域が限られた希少種。森林の伐採による生息地の消失が脅威となっている。