Barred Tinamou vs Red-winged Tinamou
Crypturellus casiquiare в сравнении с Rhynchotus rufescens
Side-by-Side Comparison
| Характеристика | Barred Tinamou | Red-winged Tinamou |
|---|---|---|
| Научное название | Crypturellus casiquiare | Rhynchotus rufescens |
| Отряд | Tinamiformes | Tinamiformes |
| Семейство | Tinamidae | Tinamidae |
| Охранный статус | Least Concern | Least Concern |
| Длина | — | — |
| Размах крыльев | 27,0 cm (10.6 in) | 41,8 cm (16.5 in) |
| Масса | 287,625 g (10.15 oz) | 810,0 g (28.57 oz) |
| Питание | Grazes grasses and aquatic vegetation near wetland edges; sedges and stems dominate diet; supplements with … | Grazes on grasses, sedges, and fallen seeds near ponds; dabbles for aquatic invertebrates during nesting … |
| Размер кладки | -- | 3-9 |
| Population Trend | — | — |
Habitat Comparison
Barred Tinamou
Restricted to humid lowland forest along the Casiquiare canal region of southern Venezuela and extreme northwestern Brazil. Associated with river-edge and flooded forest at low elevations. Rarely recorded.
Red-winged Tinamou
Open grasslands, pampas, cerrado, and forest-edge pastures from eastern Brazil through Bolivia, Paraguay, Uruguay, and Argentina. Adapts well to agricultural landscapes. Prefers tall grass for nesting and concealment.
Song & Call Comparison
Barred Tinamou
A slow, hollow whistle from blackwater river forest of the upper Orinoco. Call is distinctive but rarely recorded given its restricted range on the Venezuela-Colombia border.
Red-winged Tinamou
A loud, mellow, 3-note whistled song that carries across open grasslands. Far-carrying and melodic for an open-country tinamou. Often heard at dusk from tall grass cover.
Geographic Range & Migration
Barred Tinamou
Inhabits savannas and forest edges of northeastern Brazil's semi-arid Caatinga region. Sedentary and endemic to this biome.
Red-winged Tinamou
Restricted to humid forests of southeastern Brazil, from Espírito Santo to Rio Grande do Sul. Sedentary in Atlantic Forest.
Охранный статус
Barred Tinamou
Red-winged Tinamou
How to Tell Them Apart
Barred Tinamou
Heavily and boldly barred throughout; upperparts dark brown with broad black bars. Crown blackish; face pale. Throat whitish; breast and flanks strongly barred black and buff. Belly whitish.
Red-winged Tinamou
Upperparts brown with heavy black streaking on back. Crown dark streaked. Distinctive rufous-chestnut wings conspicuous in flight. Throat pale; breast brownish-buff streaked. Belly pale buff.
About These Birds
Barred Tinamou
A small tinamou with distinctly barred brown-and-buff plumage. Restricted to the Casiquiare region of Venezuela and adjacent northwestern Brazil—one of the most restricted tinamou ranges. Nearly all data come from specimens. Inhabits humid lowland forest along river systems.
Red-winged Tinamou
A large robust tinamou with rich rufous-brown plumage and distinctive reddish flight feathers visible in flight. The largest tinamou of South American open country. Inhabits grasslands and cerrado. Calls with a distinctive three-note whistle. Males alone incubate the deep olive-green eggs.