Buff-browed Chachalaca vs Andean Guan
Ortalis superciliaris в сравнении с Penelope montagnii
Side-by-Side Comparison
| Характеристика | Buff-browed Chachalaca | Andean Guan |
|---|---|---|
| Научное название | Ortalis superciliaris | Penelope montagnii |
| Отряд | Galliformes | Galliformes |
| Семейство | Cracidae | Cracidae |
| Охранный статус | Least Concern | Least Concern |
| Длина | — | — |
| Размах крыльев | 35,1 cm (13.8 in) | 48,3 cm (19.0 in) |
| Масса | 549,3 g (19.38 oz) | 650,0 g (22.93 oz) |
| Питание | Eats fruits, berries, seeds, and leaves in eastern Amazonian and Cerrado forest edges. Diet poorly … | Eats fruits, berries, leaves, flowers, and buds in Andean cloud forests. Forages at all levels … |
| Размер кладки | 2-3 | 2 |
| Population Trend | — | — |
Habitat Comparison
Song & Call Comparison
Buff-browed Chachalaca
Produces a loud, raucous chachalaca chorus with individual calls slightly higher than Colombian Chachalaca. Dawn choruses carry across eastern Amazonian forest.
Andean Guan
Emits deep, resonant honking calls and loud wing-whirring display flights. Andean cloud forest echoes with both calls and wing-whirring at dawn across multiple Penelope guans.
Geographic Range & Migration
Buff-browed Chachalaca
Resident in central and eastern Brazil from Mato Grosso to Pará and Maranhão. Found in cerrado and forest edges.
Andean Guan
Resident in the Andes from Venezuela and Colombia south to Bolivia at 1,500-3,600 m. Found in humid cloud forest and montane scrub.
Охранный статус
Buff-browed Chachalaca
Andean Guan
How to Tell Them Apart
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.
Andean Guan
Dark olive-brown above; bare red throat wattle; neck and breast streaked white on dark background; lower belly and flanks rufous-chestnut; tail dark with slight gloss.
About These Birds
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.
Andean Guan
A medium-sized cracid (~650 g) of family Cracidae, with dull brown-olive plumage and a bare red throat wattle. Inhabits Andean cloud forests and forest edges from Venezuela south to Bolivia at elevations of 1,200–3,500 m. Feeds on fruits, seeds, and invertebrates. Least Concern; widespread in montane Andes and one of the more commonly encountered Penelope guans.