Grey-headed Chachalaca vs Rufous-bellied Chachalaca
Ortalis cinereiceps 비교 대상 Ortalis wagleri
Side-by-Side Comparison
| 속성 | Grey-headed Chachalaca | Rufous-bellied Chachalaca |
|---|---|---|
| 학명 | Ortalis cinereiceps | Ortalis wagleri |
| 목 | Galliformes | Galliformes |
| 과 | Cracidae | Cracidae |
| 보전 상태 | Least Concern | Least Concern |
| 체장 | — | — |
| 날개 폭 | 41.1 cm (16.2 in) | 48.3 cm (19.0 in) |
| 체중 | 566.5 g (19.98 oz) | 834.0 g (29.42 oz) |
| 식성 | Frugivorous and folivorous; eats fruits, berries, leaves, and buds in Central American forest edges and … | Feeds on fruits, berries, seeds, leaves, and small invertebrates in Mexican thorn scrub and deciduous … |
| 산란 수 | 3 | 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.
Rufous-bellied Chachalaca
Produces a loud, deep raucous chorus; the lowest-pitched Ortalis chachalaca call. The deep, resonant cha-cha-LAC booms across Mexican Pacific slope deciduous forest at dawn.
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.
Rufous-bellied Chachalaca
Endemic to the Pacific coast of western Mexico from Sinaloa to Colima. Found in tropical dry forest and thorn scrub.
보전 상태
Grey-headed Chachalaca
Rufous-bellied 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.
Rufous-bellied Chachalaca
Olive-brown above; head grey with bare reddish throat; underparts strongly washed rufous-buff becoming deep rufous on belly and flanks; graduated tail dark brown with pale-tipped outer feathers.
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.
Rufous-bellied Chachalaca
A larger chachalaca (~834 g) of family Cracidae, with a rufous wash on the underparts. Endemic to the Pacific slope of northwestern Mexico, from Sonora to Jalisco. Inhabits tropical dry forest, thorn scrub, and deciduous woodland. Forages in groups on fruits, seeds, and insects. Least Concern; range restricted to the Mexican Pacific coast but populations remain stable.