East Brazilian Chachalaca vs West Mexican Chachalaca
Ortalis araucuan 비교 대상 Ortalis poliocephala
Side-by-Side Comparison
| 속성 | East Brazilian Chachalaca | West Mexican Chachalaca |
|---|---|---|
| 학명 | Ortalis araucuan | Ortalis poliocephala |
| 목 | Galliformes | Galliformes |
| 과 | Cracidae | Cracidae |
| 보전 상태 | Least Concern | Least Concern |
| 체장 | — | — |
| 날개 폭 | 36.0 cm (14.2 in) | 52.0 cm (20.5 in) |
| 체중 | 550.0 g (19.40 oz) | 760.0 g (26.81 oz) |
| 식성 | Frugivorous; eats fruits, berries, seeds, and leaves in caatinga and Atlantic forest edges of northeastern … | Frugivorous; eats fruits, berries, seeds, and leaves in West Mexican scrub and forest edges. Also … |
| 산란 수 | 3 | 2-3 |
| Population Trend | — | — |
Habitat Comparison
Song & Call Comparison
East Brazilian Chachalaca
Emits a loud, raucous chachalaca chorus; eastern Brazilian populations have a slightly nasal quality. Dawn choruses boom across Caatinga and Atlantic forest fragments.
West Mexican Chachalaca
Emits a loud, raucous chachalaca chorus; individual calls are slightly lower than Plain Chachalaca. Dawn choruses boom across Mexico's Pacific slope thornscrub and tropical dry forest.
Geographic Range & Migration
East Brazilian Chachalaca
Endemic to northeastern Brazil in the states of Maranhão, Piauí, and Ceará. Found in caatinga dry scrub and transitional forest.
West Mexican Chachalaca
Endemic to the Pacific coast of Mexico from Sonora south to Jalisco. Found in tropical dry forest and thorn scrub.
보전 상태
East Brazilian Chachalaca
West Mexican Chachalaca
How to Tell Them Apart
East Brazilian Chachalaca
Brownish-olive upperparts; grey-brown head; bare reddish throat skin; underparts pale olive-buff with pale grey wash on breast; tail dark brown, outer feathers tipped pale whitish.
West Mexican Chachalaca
Olive-brown above with greyish head; bare reddish throat skin; underparts pale grey with buff-olive flanks; tail long and dark brown with white tips on outer feathers. Overall paler than eastern …
About These Birds
East Brazilian Chachalaca
A medium-sized cracid (~550 g) of family Cracidae, endemic to northeastern and eastern Brazil. Inhabits the caatinga scrublands, cerrado woodland edges, and Atlantic Forest fragments. Forages in groups on fruits, seeds, and leaves. Least Concern; one of the few cracids adapted to Brazil's semi-arid caatinga biome and tolerant of disturbed habitats.
West Mexican Chachalaca
A large chachalaca (~760 g) of family Cracidae, with a grey head and brownish body. Endemic to Mexico, inhabiting tropical dry and semi-deciduous forests of the Pacific coast from Jalisco to Oaxaca. Forages in groups for fruits, leaves, and seeds in forest canopy and understory. Least Concern; well adapted to secondary growth and forest edges throughout its restricted Mexican range.