West Mexican Chachalaca vs Chestnut-bellied Guan
Ortalis poliocephala مقارنةً بـ Penelope ochrogaster
Side-by-Side Comparison
| السمة | West Mexican Chachalaca | Chestnut-bellied Guan |
|---|---|---|
| الاسم العلمي | Ortalis poliocephala | Penelope ochrogaster |
| الرتبة | Galliformes | Galliformes |
| الفصيلة | Cracidae | Cracidae |
| حالة الحفاظ | Least Concern | Vulnerable |
| الطول | — | — |
| طول الجناح | 52,0 cm (20.5 in) | 64,1 cm (25.2 in) |
| الوزن | 760,0 g (26.81 oz) | 1214,5 g (42.84 oz) |
| النظام الغذائي | Frugivorous; eats fruits, berries, seeds, and leaves in West Mexican scrub and forest edges. Also … | Frugivorous; eats fruits, berries, seeds, and leaves in Brazilian Cerrado and gallery forests. Vulnerable species. |
| عدد البيض في الوضع | 2-3 | 2 |
| Population Trend | — | — |
Habitat Comparison
Song & Call Comparison
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.
Chestnut-bellied Guan
Produces a loud, resonant honking cackle and wing-whirring display flights. Calls carry through Brazilian interior forest; classified Vulnerable due to habitat loss.
Geographic Range & Migration
West Mexican Chachalaca
Endemic to the Pacific coast of Mexico from Sonora south to Jalisco. Found in tropical dry forest and thorn scrub.
Chestnut-bellied Guan
Endemic to central Brazil in the cerrado of Goiás and Mato Grosso. Found in dry forest and cerrado woodland near gallery forest.
حالة الحفاظ
West Mexican Chachalaca
Chestnut-bellied Guan
How to Tell Them Apart
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 …
Chestnut-bellied Guan
Dark brownish-black above; bare red throat wattle; neck and breast streaked white on dark; belly and flanks rich uniform chestnut-orange, more saturated than most Penelope guans; tail dark.
About These Birds
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.
Chestnut-bellied Guan
A large cracid (~1.2 kg) of family Cracidae, with rich chestnut-colored belly and red throat wattle. Endemic to the cerrado and transitional forests of central Brazil. Inhabits gallery forests, cerrado woodland, and humid forest patches. Feeds on fruits and seeds. Vulnerable due to massive cerrado deforestation; restricted to increasingly fragmented habitats in the Brazilian interior.