Red-billed Curassow vs Band-tailed Guan
Crax blumenbachii 比較対象 Penelope argyrotis
Side-by-Side Comparison
| 属性 | Red-billed Curassow | Band-tailed Guan |
|---|---|---|
| 学名 | Crax blumenbachii | Penelope argyrotis |
| 目 | Galliformes | Galliformes |
| 科 | Cracidae | Cracidae |
| 保全状況 | Endangered | Least Concern |
| 体長 | — | — |
| 翼開長 | 76.8 cm (30.2 in) | 52.8 cm (20.8 in) |
| 体重 | 3250.0 g (114.64 oz) | 798.0 g (28.15 oz) |
| 食性 | Eats large fruits, seeds, and invertebrates on Atlantic forest floor in Brazil. Critically endangered; diet … | Frugivorous; eats fruits, berries, leaves, flowers, and buds in Andean forests of Venezuela and Colombia. … |
| 一腹卵数 | 1-3 | -- |
| Population Trend | — | — |
Habitat Comparison
Song & Call Comparison
Red-billed Curassow
Emits a deep, resonant booming call; contact calls are loud, guttural clucking. Endangered; the powerful boom echoes through remnant Atlantic forest; increasingly scarce.
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
Red-billed Curassow
Endemic to the Atlantic Forest of southeastern Brazil in Rio de Janeiro and Espírito Santo. Found in lowland humid forest. Critically endangered.
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
Red-billed Curassow
Band-tailed Guan
How to Tell Them Apart
Red-billed Curassow
Male is glossy black with white lower belly; curly black crest; vivid red bill with no knob; no yellow facial skin. Female is black barred chestnut; bright red bill 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
Red-billed Curassow
レッドビルドクラシャウ（Crax blumenbachii）— ブラジル大西洋森林固有の大型のホッコ。赤い嘴コブをもつオスが特徴。絶滅の危機に瀕している。
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。