Little Chachalaca vs Rufous-vented Chachalaca
Ortalis motmot so với Ortalis ruficauda
Side-by-Side Comparison
| Thuộc Tính | Little Chachalaca | Rufous-vented Chachalaca |
|---|---|---|
| Tên Khoa Học | Ortalis motmot | Ortalis ruficauda |
| Bộ | Galliformes | Galliformes |
| Họ | Cracidae | Cracidae |
| Tình Trạng Bảo Tồn | Least Concern | Least Concern |
| Chiều Dài | — | — |
| Chiều Dài Sải Cánh | 41,4 cm (16.3 in) | 44,0 cm (17.3 in) |
| Khối Lượng | 482,5 g (17.02 oz) | 604,4 g (21.32 oz) |
| Chế Độ Ăn | Feeds on fruits, berries, seeds, and leaves in Amazonian and Guianan forest edges and gallery … | Eats fruits, berries, leaves, flowers, and small insects in Venezuelan forest edges, scrub, and coastal … |
| Số Trứng | 3 | 3-4 |
| Population Trend | — | — |
Habitat Comparison
Song & Call Comparison
Little Chachalaca
Produces a loud, raucous chachalaca chorus; voice is somewhat higher-pitched than larger species. Dawn choruses echo across Amazonian and Guyanan lowland forest edge.
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
Little Chachalaca
Resident in the Guiana region from Venezuela and the Guianas south into northern Brazil. Found in lowland forest.
Rufous-vented Chachalaca
Resident in northern Venezuela and Trinidad. Found in dry forest, scrub, and woodland edges in lowland areas.
Tình Trạng Bảo Tồn
Little Chachalaca
Rufous-vented Chachalaca
How to Tell Them Apart
Little Chachalaca
Small; olive-brown body with grey head; bare reddish throat skin; underparts pale buff-grey; tail brownish with whitish tips to outer feathers. One of the smallest chachalacas, otherwise typical in pattern.
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
Little Chachalaca
A medium-sized cracid (~480 g) of family Cracidae, one of the smaller chachalacas. Found in humid forests, second growth, and forest edges across the Guianas and northern Brazil to Amazonian Colombia. Feeds on fruits and seeds in the canopy and understory. Least Concern; widespread across Amazonian lowlands and relatively tolerant of habitat disturbance.
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.