Black Guan vs Band-tailed Guan
Chamaepetes unicolor 比較対象 Penelope argyrotis
Side-by-Side Comparison
| 属性 | Black Guan | Band-tailed Guan |
|---|---|---|
| 学名 | Chamaepetes unicolor | Penelope argyrotis |
| 目 | Galliformes | Galliformes |
| 科 | Cracidae | Cracidae |
| 保全状況 | Least Concern | Least Concern |
| 体長 | — | — |
| 翼開長 | 58.1 cm (22.9 in) | 52.8 cm (20.8 in) |
| 体重 | 1135.0 g (40.04 oz) | 798.0 g (28.15 oz) |
| 食性 | Eats fruits, berries, leaves, and small invertebrates in Costa Rican and Panamanian montane forests. Forages … | 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
Black Guan
Produces a loud, harsh cackling call and wing-whirring. Calls carry through Costa Rican and Panamanian cloud forest; deep cackling notes are lower-pitched than many Penelope guans.
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
Black Guan
Endemic to the highlands of Costa Rica and western Panama at 1,600-3,000 m. Found in humid montane forest.
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
Black Guan
Band-tailed Guan
How to Tell Them Apart
Black Guan
Uniformly glossy black throughout; bare bright blue facial skin around eye; no wattle or white markings; legs dark grey. One of the most uniformly coloured cracids; blue periorbital skin is …
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
Black Guan
ホウカンチョウ科のやや大型鳥類（約1.1 kg）で全体に煤黒色の青い顔面皮膚を持つ。コスタリカとパナマ西部の山地雲霧林（1,200〜3,000 m）固有種。樹上生活。果食性。
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。