Grey-headed Chachalaca vs Dusky-legged Guan
Ortalis cinereiceps comparado com Penelope obscura
Side-by-Side Comparison
| Atributo | Grey-headed Chachalaca | Dusky-legged Guan |
|---|---|---|
| Nome científico | Ortalis cinereiceps | Penelope obscura |
| Ordem | Galliformes | Galliformes |
| Família | Cracidae | Cracidae |
| Estado de conservação | Least Concern | Least Concern |
| Comprimento | — | — |
| Envergadura | 41,1 cm (16.2 in) | 61,9 cm (24.4 in) |
| Peso | 566,5 g (19.98 oz) | 1530,0 g (53.97 oz) |
| Dieta | Frugivorous and folivorous; eats fruits, berries, leaves, and buds in Central American forest edges and … | Eats fruits, berries, seeds, leaves, and flowers in South American Atlantic forest and Araucaria forest. … |
| Tamanho da postura | 3 | 2-4 |
| Population Trend | — | — |
Habitat Comparison
Song & Call Comparison
Grey-headed Chachalaca
Produces a loud, raucous cha-cha-lac chorus at dawn; individual notes are hoarser and lower than Plain Chachalaca. Groups call antiphonally from treetops in Central American forest edge.
Dusky-legged Guan
Emits a loud, resonant honking cackle and strong wing-whirring display. The deep, carrying call echoes through southern South American subtropical and humid forest.
Geographic Range & Migration
Grey-headed Chachalaca
Resident from Honduras south through Central America to Panama and northwestern Colombia. Found in humid forest and dense vegetation.
Dusky-legged Guan
Resident in southeastern Brazil, Paraguay, Uruguay, and northeastern Argentina. Found in Atlantic Forest and gallery woodland.
Estado de conservação
Grey-headed Chachalaca
Dusky-legged Guan
How to Tell Them Apart
Grey-headed Chachalaca
Olive-brown body; head and neck distinctly grey contrasting with brownish back; bare reddish throat skin; underparts pale buff-grey; tail graduated, brown with paler tips on outer feathers.
Dusky-legged Guan
Dark brownish-olive above; dark grey legs; bare red throat wattle; neck and breast streaked pale; lower underparts rufous-chestnut; tail dark. Dusky legs distinguish it from similar Spix's Guan.
About These Birds
Grey-headed Chachalaca
A medium-sized cracid (~565 g) of family Cracidae, with a distinctive grey head and olive-brown body. Inhabits humid tropical forests, forest edges, and scrublands from Honduras south to northwestern Colombia. Forages in groups for fruits, berries, leaves, and insects in the understory and canopy. Least Concern; common throughout its range in Central American lowlands.
Dusky-legged Guan
A large cracid (~1.5 kg) of family Cracidae, with dark legs, olive-brown plumage, and a red wattle. Found in Atlantic Forest and subtropical forests of southeastern Brazil, eastern Paraguay, northeastern Argentina, and Uruguay. Arboreal frugivore. Least Concern; one of the most common guans in southeastern South America and increasingly tolerant of forest fragments.