Razor-billed Curassow vs Band-tailed Guan
Mitu tuberosum 比較対象 Penelope argyrotis
Side-by-Side Comparison
| 属性 | Razor-billed Curassow | Band-tailed Guan |
|---|---|---|
| 学名 | Mitu tuberosum | Penelope argyrotis |
| 目 | Galliformes | Galliformes |
| 科 | Cracidae | Cracidae |
| 保全状況 | Near Threatened | Least Concern |
| 体長 | — | — |
| 翼開長 | 77.1 cm (30.4 in) | 52.8 cm (20.8 in) |
| 体重 | 2893.3333333333335 g (102.06 oz) | 798.0 g (28.15 oz) |
| 食性 | Eats fruits, palm fruits, seeds, and invertebrates in Amazonian lowland forests. Forages mainly on ground … | 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
Razor-billed Curassow
Emits a deep, resonant booming call; male's boom is among the most powerful of any cracid. The thundering boom echoes far through western Amazonian terra firme forest at dawn.
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
Razor-billed Curassow
Resident across much of the Amazon Basin from Colombia and Venezuela south to Bolivia and Brazil. Found in lowland and várzea rainforest.
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
Razor-billed Curassow
Band-tailed Guan
How to Tell Them Apart
Razor-billed Curassow
Glossy blue-black overall; white lower belly and undertail coverts; distinctive laterally compressed blade-like red bill with small red knob at base; no crest; legs red.
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
Razor-billed Curassow
アマゾン川流域に広く分布するラザルドクラシオウ。体長75〜85cm。黒い羽毛と嘴の瘤が特徴的。低地の熱帯雨林で果実や種子を食べる。狩猟圧が高い。低危険種。
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。