Band-tailed Guan vs Crested Guan
Penelope argyrotis 比較対象 Penelope purpurascens
Side-by-Side Comparison
| 属性 | Band-tailed Guan | Crested Guan |
|---|---|---|
| 学名 | Penelope argyrotis | Penelope purpurascens |
| 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) | 75.9 cm (29.9 in) |
| 体重 | 798.0 g (28.15 oz) | 1939.5 g (68.41 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 Central and South American lowland and foothill … |
| 一腹卵数 | -- | 2-3 |
| 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.
Crested Guan
Emits a loud, resonant honking cackle and sustained wing-whirring display. The resonant honk carries through Central American and northern South American tropical forest canopy.
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.
Crested Guan
Resident from Mexico and Central America south to western Ecuador and Venezuela at sea level to 2,400 m. Found in humid forest.
保全状況
Band-tailed Guan
Crested 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.
Crested Guan
Dark brownish-black with purplish gloss; prominent erectile dark crest; bare red throat wattle; neck and breast finely streaked white; lower belly rufous-chestnut; tail long and 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。
Crested Guan
メキシコから南米北部にかけて広く分布するグアンで、この属で最も分布域が広い。熱帯雨林から山地林まで様々な森林環境に生息し、果実や葉を採食する。