Rufous-bellied Chachalaca vs Highland Guan
Ortalis wagleri เปรียบเทียบกับ Penelopina nigra
Side-by-Side Comparison
| คุณสมบัติ | Rufous-bellied Chachalaca | Highland Guan |
|---|---|---|
| ชื่อวิทยาศาสตร์ | Ortalis wagleri | Penelopina nigra |
| อันดับ | Galliformes | Galliformes |
| วงศ์ตระกูล | Cracidae | Cracidae |
| สถานะการอนุรักษ์ | Least Concern | Vulnerable |
| ความยาว | — | — |
| กว้างปีก | 48.3 cm (19.0 in) | 47.9 cm (18.9 in) |
| น้ำหนัก | 834.0 g (29.42 oz) | 890.0 g (31.39 oz) |
| อาหาร | Feeds on fruits, berries, seeds, leaves, and small invertebrates in Mexican thorn scrub and deciduous … | Eats fruits, berries, seeds, and leaves in Central American highland forests. Forages in forest mid-storey … |
| จำนวนไข่ | 3 | 2 |
| Population Trend | — | — |
Habitat Comparison
Song & Call Comparison
Rufous-bellied Chachalaca
Produces a loud, deep raucous chorus; the lowest-pitched Ortalis chachalaca call. The deep, resonant cha-cha-LAC booms across Mexican Pacific slope deciduous forest at dawn.
Highland Guan
Produces a loud, resonant cackling call and wing-whirring display. The male's calls carry through Central American cloud forest; wing-whirring display is a key feature of this highland cracid.
Geographic Range & Migration
Rufous-bellied Chachalaca
Endemic to the Pacific coast of western Mexico from Sinaloa to Colima. Found in tropical dry forest and thorn scrub.
Highland Guan
Resident in the highlands of Mexico and Central America from Chiapas south to Nicaragua at 1,200-3,000 m. Found in cloud forest and pine-oak woodland.
สถานะการอนุรักษ์
Rufous-bellied Chachalaca
Highland Guan
How to Tell Them Apart
Rufous-bellied Chachalaca
Olive-brown above; head grey with bare reddish throat; underparts strongly washed rufous-buff becoming deep rufous on belly and flanks; graduated tail dark brown with pale-tipped outer feathers.
Highland Guan
Strongly dimorphic: male is entirely glossy black with bare red facial skin and red legs; female is dark brown heavily barred and streaked with black, with bare red facial skin.
About These Birds
Rufous-bellied Chachalaca
A larger chachalaca (~834 g) of family Cracidae, with a rufous wash on the underparts. Endemic to the Pacific slope of northwestern Mexico, from Sonora to Jalisco. Inhabits tropical dry forest, thorn scrub, and deciduous woodland. Forages in groups on fruits, seeds, and insects. Least Concern; range restricted to the Mexican Pacific coast but populations remain stable.
Highland Guan
A medium-sized cracid (~890 g) of family Cracidae, sexually dimorphic—males glossy black with red wattle, females brown. Inhabits cloud forests and humid montane forests in the highlands of Mexico, Guatemala, Honduras, El Salvador, and Nicaragua. Arboreal frugivore. Vulnerable due to deforestation and hunting in the fragmented highlands of Mesoamerica.