Rufous-vented Chachalaca vs Crested Guan
Ortalis ruficauda 比較対象 Penelope purpurascens
Side-by-Side Comparison
| 属性 | Rufous-vented Chachalaca | Crested Guan |
|---|---|---|
| 学名 | Ortalis ruficauda | Penelope purpurascens |
| 目 | Galliformes | Galliformes |
| 科 | Cracidae | Cracidae |
| 保全状況 | Least Concern | Near Threatened |
| 体長 | — | — |
| 翼開長 | 44.0 cm (17.3 in) | 75.9 cm (29.9 in) |
| 体重 | 604.4 g (21.32 oz) | 1939.5 g (68.41 oz) |
| 食性 | Eats fruits, berries, leaves, flowers, and small insects in Venezuelan forest edges, scrub, and coastal … | Eats fruits, berries, seeds, leaves, and flowers in Central and South American lowland and foothill … |
| 一腹卵数 | 3-4 | 2-3 |
| Population Trend | — | — |
Habitat Comparison
Song & Call Comparison
Rufous-vented Chachalaca
Produces a loud, raucous chachalaca chorus; individual notes are slightly harsher than Plain Chachalaca. Dawn choruses ring across Venezuelan and Trinidadian dry forest and forest edge.
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-vented Chachalaca
Resident in northern Venezuela and Trinidad. Found in dry forest, scrub, and woodland edges in lowland areas.
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.
保全状況
Rufous-vented Chachalaca
Crested Guan
How to Tell Them Apart
Rufous-vented Chachalaca
Olive-brown above; grey head; bare reddish throat; underparts buff-grey grading to rich rufous-cinnamon on vent and undertail coverts; tail dark brown with buff-tipped outer feathers.
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-vented Chachalaca
A medium-sized cracid (~605 g) of family Cracidae, with rufous undertail coverts and a bare red throat. Found in forest edges, thorn scrub, and deciduous woodland in Venezuela and Trinidad. Forages in groups for fruits, seeds, and leaves. Least Concern; a familiar bird in Venezuela, adapted to disturbed habitats and gardens as well as natural scrublands.
Crested Guan
メキシコから南米北部にかけて広く分布するグアンで、この属で最も分布域が広い。熱帯雨林から山地林まで様々な森林環境に生息し、果実や葉を採食する。