Grey-headed Chachalaca vs Buff-browed Chachalaca
Ortalis cinereiceps مقارنةً بـ Ortalis superciliaris
Side-by-Side Comparison
| السمة | Grey-headed Chachalaca | Buff-browed Chachalaca |
|---|---|---|
| الاسم العلمي | Ortalis cinereiceps | Ortalis superciliaris |
| الرتبة | Galliformes | Galliformes |
| الفصيلة | Cracidae | Cracidae |
| حالة الحفاظ | Least Concern | Least Concern |
| الطول | — | — |
| طول الجناح | 41,1 cm (16.2 in) | 35,1 cm (13.8 in) |
| الوزن | 566,5 g (19.98 oz) | 549,3 g (19.38 oz) |
| النظام الغذائي | Frugivorous and folivorous; eats fruits, berries, leaves, and buds in Central American forest edges and … | Eats fruits, berries, seeds, and leaves in eastern Amazonian and Cerrado forest edges. Diet poorly … |
| عدد البيض في الوضع | 3 | 2-3 |
| 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.
Buff-browed Chachalaca
Produces a loud, raucous chachalaca chorus with individual calls slightly higher than Colombian Chachalaca. Dawn choruses carry across eastern Amazonian forest.
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.
Buff-browed Chachalaca
Resident in central and eastern Brazil from Mato Grosso to Pará and Maranhão. Found in cerrado and forest edges.
حالة الحفاظ
Grey-headed Chachalaca
Buff-browed 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.
Buff-browed Chachalaca
Olive-brown overall; distinctive buff-white supercilium above reddish bare facial skin; throat skin pink; underparts pale buff-grey; tail dark with pale outer-feather 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.
Buff-browed Chachalaca
A medium-sized cracid (~550 g) of family Cracidae, with a pale buff supercilium above the eye. Found in lowland and foothill forests and scrublands of eastern and southeastern Brazil. Forages in small social groups on fruits, seeds, and leaves. Least Concern; closely related to other eastern Brazilian chachalacas and classified as Least Concern with a broadly stable population.