West Mexican Chachalaca vs White-crested Guan
Ortalis poliocephala comparé à Penelope pileata
Side-by-Side Comparison
| Attribut | West Mexican Chachalaca | White-crested Guan |
|---|---|---|
| Nom scientifique | Ortalis poliocephala | Penelope pileata |
| Ordre | Galliformes | Galliformes |
| Famille | Cracidae | Cracidae |
| Statut de conservation | Least Concern | Vulnerable |
| Longueur | — | — |
| Envergure | 52,0 cm (20.5 in) | 64,4 cm (25.4 in) |
| Poids | 760,0 g (26.81 oz) | 1305,0 g (46.03 oz) |
| Régime alimentaire | Frugivorous; eats fruits, berries, seeds, and leaves in West Mexican scrub and forest edges. Also … | Eats fruits, berries, seeds, and leaves in Brazilian Amazonian and transition forests. Forages in canopy … |
| Taille de la couvée | 2-3 | 3-4 |
| 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.
White-crested Guan
Emits a loud, resonant honking cackle and powerful wing-whirring. Calls carry through the remaining Amazonian rainforest; wing-whirring display is sustained and audible from afar.
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.
White-crested Guan
Endemic to central and western Amazonian Brazil in Pará and Amazonas. Found in tall terra firme rainforest.
Statut de conservation
West Mexican Chachalaca
White-crested 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 …
White-crested Guan
Dark brownish-black; striking white bushy crest on crown; bare red throat wattle; neck and breast streaked white; lower belly rufous; tail dark. White crest is the unmistakable feature.
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.
White-crested Guan
A large cracid (~1.3 kg) of family Cracidae, with a distinctive white crest on the crown. Endemic to the eastern Amazon basin in central and northeastern Brazil. Inhabits humid terra firme and várzea forests. Arboreal frugivore, feeding on fruits and seeds in the canopy. Vulnerable due to ongoing deforestation and hunting in the Amazon; relies on intact primary forest.