White-winged Guan vs Band-tailed Guan
Penelope albipennis 比較対象 Penelope argyrotis
Side-by-Side Comparison
| 属性 | White-winged Guan | Band-tailed Guan |
|---|---|---|
| 学名 | Penelope albipennis | Penelope argyrotis |
| 目 | Galliformes | Galliformes |
| 科 | Cracidae | Cracidae |
| 保全状況 | Endangered | Least Concern |
| 体長 | — | — |
| 翼開長 | 63.5 cm (25.0 in) | 52.8 cm (20.8 in) |
| 体重 | 1675.0 g (59.08 oz) | 798.0 g (28.15 oz) |
| 食性 | Eats fruits, berries, seeds, and leaves in Peruvian dry forest. Critically endangered; forages in canopy … | Frugivorous; eats fruits, berries, leaves, flowers, and buds in Andean forests of Venezuela and Colombia. … |
| 一腹卵数 | 2-3 | -- |
| Population Trend | — | — |
Habitat Comparison
Song & Call Comparison
White-winged Guan
Emits a loud, resonant honking cackle and wing-whirring. Endangered; deep, resonant calls are seldom heard now across Peruvian dry forest; wing-whirring display persists.
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
White-winged Guan
Endemic to arid valleys in northwestern Peru (Tumbes and Piura). Found in dry forest remnants. Critically endangered.
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
White-winged Guan
Band-tailed Guan
How to Tell Them Apart
White-winged Guan
Dark brownish-black body; outer wing coverts white forming bold white patch visible in flight and at rest; bare reddish throat; breast finely streaked white; lower belly rufous; tail dark.
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
White-winged Guan
ペルー北西部の乾燥した渓谷の落葉林に限定して生息する絶滅危惧種のグアンで、白い翼の羽が特徴的。1977年に再発見された後、保護活動が進められている。
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。