Barred Tinamou vs Grey-legged Tinamou
Crypturellus casiquiare comparado con Crypturellus duidae
Side-by-Side Comparison
| Atributo | Barred Tinamou | Grey-legged Tinamou |
|---|---|---|
| Nombre científico | Crypturellus casiquiare | Crypturellus duidae |
| Orden | Tinamiformes | Tinamiformes |
| Familia | Tinamidae | Tinamidae |
| Estado de conservación | Least Concern | Least Concern |
| Longitud | — | — |
| Envergadura | 27,0 cm (10.6 in) | 32,6 cm (12.8 in) |
| Peso | 287,625 g (10.15 oz) | 429,5 g (15.15 oz) |
| Dieta | Grazes grasses and aquatic vegetation near wetland edges; sedges and stems dominate diet; supplements with … | Ground-gleaner taking seeds, berries, and arthropods in Amazonian forests; invertebrate proportion rises in wet season. |
| Tamaño de la puesta | -- | -- |
| 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.
Grey-legged Tinamou
Montane forest and shrubby tepui slopes at 600–1,800 m on isolated table-mountains in southern Venezuela and adjacent northern Brazil. Restricted range; known from very few locations.
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.
Grey-legged Tinamou
A series of hollow whistles with a slightly husky tone. Calls from dense forest floor cover in tepui foothills. Considered vocally conservative among Crypturellus tinamous.
Geographic Range & Migration
Barred Tinamou
Inhabits savannas and forest edges of northeastern Brazil's semi-arid Caatinga region. Sedentary and endemic to this biome.
Grey-legged Tinamou
Endemic to the humid Andean slopes of western Colombia and northwestern Ecuador. Sedentary in cloud forest from 800 to 2,200 m.
Estado de conservación
Barred Tinamou
Grey-legged 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.
Grey-legged Tinamou
Dark brown upperparts with blackish barring. Diagnostic gray legs distinguish it from red-legged congeners. Throat whitish; breast rufous-brown; belly pale. Crown darker; sexes similar.
About These Birds
Barred Tinamou
Tinamú del Casiquiare (Crypturellus casiquiare) — Rara especie endémica de la cuenca del río Casiquiare, entre Venezuela y Brasil. Muy poco conocida. Habita en el sotobosque de la selva tropical de tierras bajas.
Grey-legged Tinamou
Tinamú del Duida (Crypturellus duidae) — Tinamú raro de los bosques tepuyanos del sur de Venezuela y el norte de Brasil. Muy poco estudiado. Habita en sotobosques de los tepuyes y sus alrededores.