Speckled Chachalaca vs Rufous-vented Chachalaca
Ortalis guttata 对比 Ortalis ruficauda
Side-by-Side Comparison
| 属性 | Speckled Chachalaca | Rufous-vented Chachalaca |
|---|---|---|
| 学名 | Ortalis guttata | Ortalis ruficauda |
| 目 | Galliformes | Galliformes |
| 科 | Cracidae | Cracidae |
| 保护状况 | Least Concern | Least Concern |
| 体长 | — | — |
| 翼展 | 38.5 cm (15.2 in) | 44.0 cm (17.3 in) |
| 体重 | 502.25 g (17.72 oz) | 604.4 g (21.32 oz) |
| 食性 | Eats fruits, berries, seeds, and leaves in Amazonian forest edges and gallery forest. Also takes … | Eats fruits, berries, leaves, flowers, and small insects in Venezuelan forest edges, scrub, and coastal … |
| 产卵数 | 3-4 | 3-4 |
| Population Trend | — | — |
Habitat Comparison
Song & Call Comparison
Speckled Chachalaca
Produces a loud, raucous chachalaca chorus; individual calls have a slightly lower, coarser quality. Dawn choruses carry across Amazonian and Cerrado forest edge at sunrise.
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.
Geographic Range & Migration
Speckled Chachalaca
Resident in the Amazon Basin from eastern Peru and Ecuador east to Brazil and the Guianas. Found in lowland rainforest.
Rufous-vented Chachalaca
Resident in northern Venezuela and Trinidad. Found in dry forest, scrub, and woodland edges in lowland areas.
保护状况
Speckled Chachalaca
Rufous-vented Chachalaca
How to Tell Them Apart
Speckled Chachalaca
Olive-brown upperparts with fine pale buff speckling on breast and foreneck; grey head; bare reddish throat; lower underparts pale buff; tail dark brown with whitish outer tips.
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.
About These Birds
Speckled Chachalaca
A medium-sized cracid (~500 g) of family Cracidae, with finely speckled neck and breast feathers. Inhabits forest edges, scrubby second growth, and riverine thickets across Amazonian South America. Social and highly vocal, foraging in groups for fruits, berries, and seeds in the understory and lower canopy. Least Concern; widespread and common across Amazonia.
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.