Yellow-knobbed Curassow vs Rufous-headed Chachalaca
Crax daubentoni 比較対象 Ortalis erythroptera
Side-by-Side Comparison
| 属性 | Yellow-knobbed Curassow | Rufous-headed Chachalaca |
|---|---|---|
| 学名 | Crax daubentoni | Ortalis erythroptera |
| 目 | Galliformes | Galliformes |
| 科 | Cracidae | Cracidae |
| 保全状況 | Near Threatened | Vulnerable |
| 体長 | — | — |
| 翼開長 | 76.2 cm (30.0 in) | 43.8 cm (17.2 in) |
| 体重 | 2383.3333333333335 g (84.07 oz) | 632.5 g (22.31 oz) |
| 食性 | Eats large fruits, seeds, and invertebrates on forest floor of Venezuelan and Colombian lowlands. Forages … | Frugivorous; eats fruits, berries, seeds, and leaves in Pacific slope forests and forest edges of … |
| 一腹卵数 | 2 | 3 |
| Population Trend | — | — |
Habitat Comparison
Song & Call Comparison
Yellow-knobbed Curassow
Emits a deep, resonant booming call; male produces guttural contact clucking. The boom carries through Venezuelan and Colombian dry and gallery forest at dawn.
Rufous-headed Chachalaca
Emits a loud, raucous chachalaca chorus; individual calls are slightly higher than Rufous-vented. Dawn choruses carry across Ecuadorian and Peruvian coastal dry forest.
Geographic Range & Migration
Yellow-knobbed Curassow
Resident in Venezuela and adjacent Colombia. Found in lowland dry and gallery forest in the Llanos and Caribbean coast region.
Rufous-headed Chachalaca
Resident in western Ecuador and northwestern Peru. Found in tropical deciduous forest and scrub in the Tumbes-Chocó-Magdalena region.
保全状況
Yellow-knobbed Curassow
Rufous-headed Chachalaca
How to Tell Them Apart
Yellow-knobbed Curassow
Male is black with white lower belly; curly black crest; prominent yellow knob at bill base; yellow bare facial skin. Female barred rufous and black with finely curled crest; yellow …
Rufous-headed Chachalaca
Brownish-olive body; head and upper neck warm rufous-cinnamon, distinctly contrasting with greyish-brown back; bare reddish throat wattle; underparts pale buff; tail dark with pale outer tips.
About These Birds
Yellow-knobbed Curassow
イエローノブドクラシャウ（Crax daubentoni）— コロンビアとベネズエラの低地林に生息するホッコ。黄色い嘴コブをもつオスが特徴。
Rufous-headed Chachalaca
A medium-sized cracid (~630 g) of family Cracidae, with a striking rufous head. Inhabits humid and deciduous forests, forest edges, and scrub in western Ecuador and northwestern Peru. Feeds on fruits and leaves in the forest understory and canopy. Vulnerable due to extensive deforestation in the Tumbesian region, one of the world's most threatened biodiversity hotspots.