East Brazilian Chachalaca vs Band-tailed Guan
Ortalis araucuan 比較対象 Penelope argyrotis
Side-by-Side Comparison
| 属性 | East Brazilian Chachalaca | Band-tailed Guan |
|---|---|---|
| 学名 | Ortalis araucuan | Penelope argyrotis |
| 目 | Galliformes | Galliformes |
| 科 | Cracidae | Cracidae |
| 保全状況 | Least Concern | Least Concern |
| 体長 | — | — |
| 翼開長 | 36.0 cm (14.2 in) | 52.8 cm (20.8 in) |
| 体重 | 550.0 g (19.40 oz) | 798.0 g (28.15 oz) |
| 食性 | Frugivorous; eats fruits, berries, seeds, and leaves in caatinga and Atlantic forest edges of northeastern … | Frugivorous; eats fruits, berries, leaves, flowers, and buds in Andean forests of Venezuela and Colombia. … |
| 一腹卵数 | 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.
Band-tailed Guan
Produces a loud, honking cackle and resonant wing-whirring in display flights. The deep, carrying honk and wing-whirr display is characteristic of this Andean Penelope guan.
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.
Band-tailed Guan
Resident in the Andes and mountains of Colombia and Venezuela from 1,000-2,400 m. Found in humid montane forest.
保全状況
East Brazilian Chachalaca
Band-tailed Guan
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.
Band-tailed Guan
Brownish-black above with fine white streaking on neck and chest; bare red facial skin; lower underparts chestnut; tail broad with distinctive pale grey subterminal band.
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.
Band-tailed Guan
コロンビアとベネズエラの山岳林に生息するグアンで、銀白色の頭部の羽毛が特徴的。アンデス山脈の雲霧林に生息し、果実や葉を採食する。