West Mexican Chachalaca vs Marail Guan
Ortalis poliocephala comparado com Penelope marail
Side-by-Side Comparison
| Atributo | West Mexican Chachalaca | Marail Guan |
|---|---|---|
| Nome científico | Ortalis poliocephala | Penelope marail |
| Ordem | Galliformes | Galliformes |
| Família | Cracidae | Cracidae |
| Estado de conservação | Least Concern | Least Concern |
| Comprimento | — | — |
| Envergadura | 52,0 cm (20.5 in) | 64,3 cm (25.3 in) |
| Peso | 760,0 g (26.81 oz) | 1067,0 g (37.64 oz) |
| Dieta | Frugivorous; eats fruits, berries, seeds, and leaves in West Mexican scrub and forest edges. Also … | Frugivorous; eats fruits, berries, seeds, and leaves in Amazonian and Guianan lowland rainforests. Also takes … |
| Tamanho da postura | 2-3 | 2-3 |
| 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.
Marail Guan
Produces a loud, resonant honking cackle; wing-whirring display is loud and sustained. The carrying honk and powerful wing-whirr echo through Amazonian and Guyanan terra firme forest.
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.
Marail Guan
Resident in the Guiana Highlands and adjacent areas of Venezuela, Guyana, Suriname, and northern Brazil. Found in montane and foothill forest.
Estado de conservação
West Mexican Chachalaca
Marail 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 …
Marail Guan
Dark brownish-olive overall; neck and upper breast streaked white; bare red throat wattle; lower underparts rich rufous-chestnut; back with greenish gloss; tail long and dark brown.
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.
Marail Guan
A medium-large cracid (~1.1 kg) of family Cracidae, with olive-brown plumage and a red wattle. Inhabits humid lowland and foothill tropical forests of the Guiana Shield, including Suriname, Guyana, French Guiana, and northern Brazil. Arboreal, feeding on fruits and seeds. Least Concern; widespread in the Guiana region with intact forest cover supporting healthy populations.