Grey-headed Chachalaca vs Speckled Chachalaca
Ortalis cinereiceps 比較対象 Ortalis guttata
Side-by-Side Comparison
| 属性 | Grey-headed Chachalaca | Speckled Chachalaca |
|---|---|---|
| 学名 | Ortalis cinereiceps | Ortalis guttata |
| 目 | Galliformes | Galliformes |
| 科 | Cracidae | Cracidae |
| 保全状況 | Least Concern | Least Concern |
| 体長 | — | — |
| 翼開長 | 41.1 cm (16.2 in) | 38.5 cm (15.2 in) |
| 体重 | 566.5 g (19.98 oz) | 502.25 g (17.72 oz) |
| 食性 | Frugivorous and folivorous; eats fruits, berries, leaves, and buds in Central American forest edges and … | Eats fruits, berries, seeds, and leaves in Amazonian forest edges and gallery forest. Also takes … |
| 一腹卵数 | 3 | 3-4 |
| Population Trend | — | — |
Habitat Comparison
Song & Call Comparison
Grey-headed Chachalaca
Produces a loud, raucous cha-cha-lac chorus at dawn; individual notes are hoarser and lower than Plain Chachalaca. Groups call antiphonally from treetops in Central American forest edge.
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.
Geographic Range & Migration
Grey-headed Chachalaca
Resident from Honduras south through Central America to Panama and northwestern Colombia. Found in humid forest and dense vegetation.
Speckled Chachalaca
Resident in the Amazon Basin from eastern Peru and Ecuador east to Brazil and the Guianas. Found in lowland rainforest.
保全状況
Grey-headed Chachalaca
Speckled Chachalaca
How to Tell Them Apart
Grey-headed Chachalaca
Olive-brown body; head and neck distinctly grey contrasting with brownish back; bare reddish throat skin; underparts pale buff-grey; tail graduated, brown with paler tips on outer feathers.
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.
About These Birds
Grey-headed Chachalaca
A medium-sized cracid (~565 g) of family Cracidae, with a distinctive grey head and olive-brown body. Inhabits humid tropical forests, forest edges, and scrublands from Honduras south to northwestern Colombia. Forages in groups for fruits, berries, leaves, and insects in the understory and canopy. Least Concern; common throughout its range in Central American lowlands.
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.