West Mexican Chachalaca vs Red-faced Guan
Ortalis poliocephala в сравнении с Penelope dabbenei
Side-by-Side Comparison
| Характеристика | West Mexican Chachalaca | Red-faced Guan |
|---|---|---|
| Научное название | Ortalis poliocephala | Penelope dabbenei |
| Отряд | Galliformes | Galliformes |
| Семейство | Cracidae | Cracidae |
| Охранный статус | Least Concern | Least Concern |
| Длина | — | — |
| Размах крыльев | 52,0 cm (20.5 in) | 56,7 cm (22.3 in) |
| Масса | 760,0 g (26.81 oz) | 1230,0 g (43.39 oz) |
| Питание | Frugivorous; eats fruits, berries, seeds, and leaves in West Mexican scrub and forest edges. Also … | Frugivorous; eats fruits, berries, seeds, and leaves in Andean foothills forests of Bolivia and northwestern … |
| Размер кладки | 2-3 | 3 |
| 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.
Red-faced Guan
Produces a loud, resonant honking cackle and wing-whirring display. Calls carry through Bolivian and Argentinian Yungas cloud forest; wing-whirring is a diagnostic display.
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.
Red-faced Guan
Resident in the foothills and mountains of northwestern Argentina and adjacent Bolivia at 500-1,800 m. Found in humid Yungas forest.
Охранный статус
West Mexican Chachalaca
Red-faced 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 …
Red-faced Guan
Dark brownish-olive; extensive bare bright red facial skin from lores to ear-coverts (larger than other guans); throat red-wattled; breast finely streaked white; lower belly rufous; 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.
Red-faced Guan
A large cracid (~1.2 kg) of family Cracidae, with distinctive red bare facial skin. Inhabits montane humid forests of the eastern Andes in Bolivia and northwestern Argentina at 900–2,500 m elevation. Arboreal, foraging for fruits, seeds, and buds in the forest canopy. Least Concern; relatively restricted range in the Yungas forest zone but not considered under immediate threat.