Rufous-headed Chachalaca vs Yungas Guan
Ortalis erythroptera 比較対象 Penelope bridgesi
Side-by-Side Comparison
| 属性 | Rufous-headed Chachalaca | Yungas Guan |
|---|---|---|
| 学名 | Ortalis erythroptera | Penelope bridgesi |
| 目 | Galliformes | Galliformes |
| 科 | Cracidae | Cracidae |
| 保全状況 | Vulnerable | Not Evaluated |
| 体長 | — | — |
| 翼開長 | 43.8 cm (17.2 in) | — |
| 体重 | 632.5 g (22.31 oz) | 1770.0 g (62.43 oz) |
| 食性 | Frugivorous; eats fruits, berries, seeds, and leaves in Pacific slope forests and forest edges of … | Frugivorous; eats fruits, berries, seeds, and leaves in Bolivian and Argentine Yungas cloud forests. Diet … |
| 一腹卵数 | 3 | -- |
| 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.
Yungas Guan
Produces a loud, resonant honking cackle and wing-whirring display. Calls typical of the Penelope group; recently split from Dusky-legged Guan; found in Bolivian Yungas cloud forest.
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.
Yungas Guan
Resident in the Yungas forests of Bolivia and northwestern Argentina at 1,000-2,500 m. Found in humid subtropical and cloud forest.
保全状況
Rufous-headed Chachalaca
Yungas Guan
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.
Yungas Guan
Dark olive-brown overall; bare reddish throat wattle; neck and breast streaked whitish; lower belly rufous-chestnut; wings without white patch; legs dusky-grey. Very similar to Dusky-legged Guan.
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.
Yungas Guan
ボリビアとアルゼンチン北部のアンデス東斜面の森林に生息するグアンで、地域固有種として知られる。果実や葉を採食し、森林の樹冠部で生活する。