Barred Tinamou vs White-bellied Nothura
Crypturellus casiquiare 对比 Nothura boraquira
Side-by-Side Comparison
| 属性 | Barred Tinamou | White-bellied Nothura |
|---|---|---|
| 学名 | Crypturellus casiquiare | Nothura boraquira |
| 目 | Tinamiformes | Tinamiformes |
| 科 | Tinamidae | Tinamidae |
| 保护状况 | Least Concern | Least Concern |
| 体长 | — | — |
| 翼展 | 27.0 cm (10.6 in) | 26.6 cm (10.5 in) |
| 体重 | 287.625 g (10.15 oz) | 288.0 g (10.16 oz) |
| 食性 | Grazes grasses and aquatic vegetation near wetland edges; sedges and stems dominate diet; supplements with … | Grazes short grasses and sedges; forages near water edges; diet supplemented by invertebrates during breeding … |
| 产卵数 | -- | 2-6 |
| 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.
White-bellied Nothura
Caatinga scrubland, dry cerrado grassland, and campo sujo of northeastern Brazil. Adapted to hot semi-arid habitats with sparse thorny vegetation. Often found on sandy soils.
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.
White-bellied Nothura
A loud, melodic 3-note whistle from cerrado and dry scrub of interior Brazil. Considered one of the more vocal Nothura species; easily detected by call in its habitat.
Geographic Range & Migration
Barred Tinamou
Inhabits savannas and forest edges of northeastern Brazil's semi-arid Caatinga region. Sedentary and endemic to this biome.
White-bellied Nothura
Inhabits wooded grasslands and forest edges of central Brazil, Bolivia, and Paraguay. Sedentary in the Cerrado biome.
保护状况
Barred Tinamou
White-bellied Nothura
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.
White-bellied Nothura
Brown upperparts streaked and barred black and buff. Head with pale supercilium and dark lateral crown stripes. Throat and belly white. Breast buff with dark brown spots. White underparts distinctive.
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。
White-bellied Nothura
A small tinamou of open caatinga and cerrado grasslands, with brown streaked plumage and white underparts. Endemic to northeastern Brazil. Adapted to hot dry and semi-arid environments. Calls with a rapid whistling trill. Terrestrial and fast-running across sparse scrub.