Barred Tinamou vs Grey-legged Tinamou
Crypturellus casiquiare 对比 Crypturellus duidae
Side-by-Side Comparison
| 属性 | Barred Tinamou | Grey-legged Tinamou |
|---|---|---|
| 学名 | Crypturellus casiquiare | Crypturellus duidae |
| 目 | Tinamiformes | Tinamiformes |
| 科 | Tinamidae | Tinamidae |
| 保护状况 | Least Concern | Least Concern |
| 体长 | — | — |
| 翼展 | 27.0 cm (10.6 in) | 32.6 cm (12.8 in) |
| 体重 | 287.625 g (10.15 oz) | 429.5 g (15.15 oz) |
| 食性 | 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. |
| 产卵数 | -- | -- |
| 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.
保护状况
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
卡西基亚雷林鷚（Crypturellus casiquiare）— 分布于委内瑞拉和巴西北部雨林的稀有林鷚。栖息于亚马逊和奥里诺科流域。
Grey-legged Tinamou
杜伊达林鷚（Crypturellus duidae）— 分布于委内瑞拉南部台地山附近的稀有林鷚。栖息于高地森林。