Rufous-headed Chachalaca vs Highland Guan
Ortalis erythroptera เปรียบเทียบกับ Penelopina nigra
Side-by-Side Comparison
| คุณสมบัติ | Rufous-headed Chachalaca | Highland Guan |
|---|---|---|
| ชื่อวิทยาศาสตร์ | Ortalis erythroptera | Penelopina nigra |
| อันดับ | Galliformes | Galliformes |
| วงศ์ตระกูล | Cracidae | Cracidae |
| สถานะการอนุรักษ์ | Vulnerable | Vulnerable |
| ความยาว | — | — |
| กว้างปีก | 43.8 cm (17.2 in) | 47.9 cm (18.9 in) |
| น้ำหนัก | 632.5 g (22.31 oz) | 890.0 g (31.39 oz) |
| อาหาร | Frugivorous; eats fruits, berries, seeds, and leaves in Pacific slope forests and forest edges of … | Eats fruits, berries, seeds, and leaves in Central American highland forests. Forages in forest mid-storey … |
| จำนวนไข่ | 3 | 2 |
| 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.
Highland Guan
Produces a loud, resonant cackling call and wing-whirring display. The male's calls carry through Central American cloud forest; wing-whirring display is a key feature of this highland cracid.
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.
Highland Guan
Resident in the highlands of Mexico and Central America from Chiapas south to Nicaragua at 1,200-3,000 m. Found in cloud forest and pine-oak woodland.
สถานะการอนุรักษ์
Rufous-headed Chachalaca
Highland 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.
Highland Guan
Strongly dimorphic: male is entirely glossy black with bare red facial skin and red legs; female is dark brown heavily barred and streaked with black, with bare red facial skin.
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.
Highland Guan
A medium-sized cracid (~890 g) of family Cracidae, sexually dimorphic—males glossy black with red wattle, females brown. Inhabits cloud forests and humid montane forests in the highlands of Mexico, Guatemala, Honduras, El Salvador, and Nicaragua. Arboreal frugivore. Vulnerable due to deforestation and hunting in the fragmented highlands of Mesoamerica.