Band-tailed Guan vs Cauca Guan
Penelope argyrotis 比較対象 Penelope perspicax
Side-by-Side Comparison
| 属性 | Band-tailed Guan | Cauca Guan |
|---|---|---|
| 学名 | Penelope argyrotis | Penelope perspicax |
| 目 | Galliformes | Galliformes |
| 科 | Cracidae | Cracidae |
| 保全状況 | Least Concern | Vulnerable |
| 体長 | — | — |
| 翼開長 | 52.8 cm (20.8 in) | 65.0 cm (25.6 in) |
| 体重 | 798.0 g (28.15 oz) | 1197.0 g (42.22 oz) |
| 食性 | Frugivorous; eats fruits, berries, leaves, flowers, and buds in Andean forests of Venezuela and Colombia. … | Frugivorous; eats fruits, berries, and leaves in Colombian Cauca Valley forests. Critically endangered with very … |
| 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.
Cauca Guan
Produces a loud, honking cackle and powerful wing-whirring display. Critically endangered; calls carry across Colombian Cauca Valley forest fragments; wing-whirr is diagnostic.
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.
Cauca Guan
Endemic to the Cauca Valley of Colombia. Found in humid forest remnants at 1,000-2,000 m. Critically endangered.
保全状況
Band-tailed Guan
Cauca 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.
Cauca Guan
Dark brownish-black above; neck and breast streaked white; bare red throat skin; lower underparts deep rufous-chestnut; back faintly glossed; tail dark brown. White streaking is bolder than in most Penelope …
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。
Cauca Guan
コロンビアのカウカ谷に固有の絶滅危惧種のグアンで、生息域が極めて狭い。生息地の破壊と狩猟が深刻な脅威となっており、緊急の保護が必要とされる。