Rufous-headed Chachalaca vs Horned Curassow
Ortalis erythroptera 比較対象 Pauxi unicornis
Side-by-Side Comparison
| 属性 | Rufous-headed Chachalaca | Horned Curassow |
|---|---|---|
| 学名 | Ortalis erythroptera | Pauxi unicornis |
| 目 | Galliformes | Galliformes |
| 科 | Cracidae | Cracidae |
| 保全状況 | Vulnerable | Critically Endangered |
| 体長 | — | — |
| 翼開長 | 43.8 cm (17.2 in) | 81.2 cm (32.0 in) |
| 体重 | 632.5 g (22.31 oz) | 3725.0 g (131.40 oz) |
| 食性 | Frugivorous; eats fruits, berries, seeds, and leaves in Pacific slope forests and forest edges of … | Frugivorous; eats large seeds, fruits, and invertebrates on the floor of Bolivian and Peruvian montane … |
| 一腹卵数 | 3 | 1 |
| Population Trend | — | — |
Habitat Comparison
Song & Call Comparison
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.
Horned Curassow
Emits a deep, resonant booming call. The powerful, far-carrying boom is infrequently recorded; Critically Endangered; calls in Bolivian cloud forest are among the rarest cracid sounds.
Geographic Range & Migration
Rufous-headed Chachalaca
Resident in western Ecuador and northwestern Peru. Found in tropical deciduous forest and scrub in the Tumbes-Chocó-Magdalena region.
Horned Curassow
Endemic to the east Andean slopes of Bolivia in Santa Cruz and Cochabamba at 1,000-2,000 m. Found in humid montane forest. Endangered.
保全状況
Rufous-headed Chachalaca
Horned Curassow
How to Tell Them Apart
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.
Horned Curassow
Glossy black; white lower belly and undertail; a single erect blue-grey conical horn on forehead (smaller than Helmeted Curassow casque); red bill; legs red. Very rare; horn distinguishes from all …
About These Birds
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.
Horned Curassow
ボリビアとペルーのアンデス東斜面に生息するサケズドリで、単角のような円筒形の角盾が特徴的。湿潤な山岳林に生息し、個体数が少ない。