Grey-headed Chachalaca vs Sira Curassow
Ortalis cinereiceps 비교 대상 Pauxi koepckeae
Side-by-Side Comparison
| 속성 | Grey-headed Chachalaca | Sira Curassow |
|---|---|---|
| 학명 | Ortalis cinereiceps | Pauxi koepckeae |
| 목 | Galliformes | Galliformes |
| 과 | Cracidae | Cracidae |
| 보전 상태 | Least Concern | Critically Endangered |
| 체장 | — | — |
| 날개 폭 | 41.1 cm (16.2 in) | 93.6 cm (36.9 in) |
| 체중 | 566.5 g (19.98 oz) | 3745.0 g (132.10 oz) |
| 식성 | Frugivorous and folivorous; eats fruits, berries, leaves, and buds in Central American forest edges and … | Eats large seeds, fruits, and invertebrates in Peruvian foothill forests. Critically endangered; diet poorly documented. |
| 산란 수 | 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.
Sira Curassow
Produces a deep, resonant booming call. Critically Endangered; calls are essentially unknown in the wild; captive birds give deep, resonant booming typical of Pauxi curassows.
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.
Sira Curassow
Endemic to the Sira Cordillera of central Peru in Ucayali and Huánuco at 600-1,400 m. Found in humid foothill forest. Critically endangered.
보전 상태
Grey-headed Chachalaca
Sira Curassow
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.
Sira Curassow
Glossy black overall; white lower belly; pale blue-grey conical casque on forehead similar to Horned Curassow; red bill and red legs. Extremely rare and poorly known; casque shape and large …
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.
Sira Curassow
쾨프케큰부리새는 페루 안데스 산맥 동사면의 구름 숲에 서식하는 대형 멧닭목 새입니다. 이 희귀한 새는 독일계 페루 조류학자 마리아 쾨프케의 이름을 딴 것으로, 극히 제한된 분포와 서식지 파괴로 인해 심각한 위기종입니다.