Band-tailed Guan vs Bearded Guan
Penelope argyrotis 比較対象 Penelope barbata
Side-by-Side Comparison
| 属性 | Band-tailed Guan | Bearded Guan |
|---|---|---|
| 学名 | Penelope argyrotis | Penelope barbata |
| 目 | Galliformes | Galliformes |
| 科 | Cracidae | Cracidae |
| 保全状況 | Least Concern | Near Threatened |
| 体長 | — | — |
| 翼開長 | 52.8 cm (20.8 in) | 48.4 cm (19.1 in) |
| 体重 | 798.0 g (28.15 oz) | 822.8 g (29.02 oz) |
| 食性 | Frugivorous; eats fruits, berries, leaves, flowers, and buds in Andean forests of Venezuela and Colombia. … | Eats fruits, berries, seeds, leaves, and flowers in Andean cloud forests of Ecuador and Peru. … |
| 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.
Bearded Guan
Emits a loud, deep honking cackle and produces wing-whirring in display. Calls are resonant; the wing-whirr display is loud and penetrating in Ecuadorian and Peruvian cloud forest.
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.
Bearded Guan
Resident in the Andes of southern Ecuador and northern Peru at 1,800-3,400 m. Found in humid montane forest.
保全状況
Band-tailed Guan
Bearded 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.
Bearded Guan
Dark olive-brown above; throat with bare red skin and feathered lower edge resembling beard; neck and breast finely streaked white on dark brown; lower belly rufous-chestnut; tail dark brown.
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。
Bearded Guan
エクアドルとペルーのアンデス南部に生息するグアンで、特徴的なあごの垂れ皮を持つ。絶滅危惧種に指定されており、生息地の保護が急務となっている。