Rufous-headed Chachalaca vs Crested Guan
Ortalis erythroptera เปรียบเทียบกับ Penelope purpurascens
Side-by-Side Comparison
| คุณสมบัติ | Rufous-headed Chachalaca | Crested Guan |
|---|---|---|
| ชื่อวิทยาศาสตร์ | Ortalis erythroptera | Penelope purpurascens |
| อันดับ | Galliformes | Galliformes |
| วงศ์ตระกูล | Cracidae | Cracidae |
| สถานะการอนุรักษ์ | Vulnerable | Near Threatened |
| ความยาว | — | — |
| กว้างปีก | 43.8 cm (17.2 in) | 75.9 cm (29.9 in) |
| น้ำหนัก | 632.5 g (22.31 oz) | 1939.5 g (68.41 oz) |
| อาหาร | Frugivorous; eats fruits, berries, seeds, and leaves in Pacific slope forests and forest edges of … | Eats fruits, berries, seeds, leaves, and flowers in Central and South American lowland and foothill … |
| จำนวนไข่ | 3 | 2-3 |
| 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.
Crested Guan
Emits a loud, resonant honking cackle and sustained wing-whirring display. The resonant honk carries through Central American and northern South American tropical forest canopy.
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.
Crested Guan
Resident from Mexico and Central America south to western Ecuador and Venezuela at sea level to 2,400 m. Found in humid forest.
สถานะการอนุรักษ์
Rufous-headed Chachalaca
Crested 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.
Crested Guan
Dark brownish-black with purplish gloss; prominent erectile dark crest; bare red throat wattle; neck and breast finely streaked white; lower belly rufous-chestnut; tail long and dark.
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.
Crested Guan
A large cracid (~1.9 kg) of family Cracidae, with a shaggy crest, red wattle, and dark plumage with white streaking. Inhabits lowland and montane humid forests from Mexico to western Ecuador and Venezuela. Arboreal frugivore; also takes leaves and invertebrates. Near Threatened due to deforestation and hunting across Central America and South America.