Barred Tinamou vs Tepui Tinamou
Crypturellus casiquiare 对比 Crypturellus ptaritepui
Side-by-Side Comparison
| 属性 | Barred Tinamou | Tepui Tinamou |
|---|---|---|
| 学名 | Crypturellus casiquiare | Crypturellus ptaritepui |
| 目 | Tinamiformes | Tinamiformes |
| 科 | Tinamidae | Tinamidae |
| 保护状况 | Least Concern | Least Concern |
| 体长 | — | — |
| 翼展 | 27.0 cm (10.6 in) | 27.2 cm (10.7 in) |
| 体重 | 287.625 g (10.15 oz) | 443.4 g (15.64 oz) |
| 食性 | Grazes grasses and aquatic vegetation near wetland edges; sedges and stems dominate diet; supplements with … | Scratches forest floor for seeds, small invertebrates, and fungi; diet dominated by seeds and tubers … |
| 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.
Tepui Tinamou
Humid forest and scrub on tepui highlands at 1,000–2,000 m in the Gran Sabana region of Venezuela. Extremely restricted to isolated table-mountain plateaus. Rarely studied or observed.
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.
Tepui Tinamou
A clear, whistled phrase from Tepui tabletop habitats. Call is a 2-note falling whistle. Poorly documented; restricted range makes systematic study difficult.
Geographic Range & Migration
Barred Tinamou
Inhabits savannas and forest edges of northeastern Brazil's semi-arid Caatinga region. Sedentary and endemic to this biome.
Tepui Tinamou
Found in forests and scrub of southern Bolivia and northwestern Argentina. Sedentary; inhabits dry montane valleys at 1,500–3,000 m.
保护状况
Barred Tinamou
Tepui 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.
Tepui Tinamou
Dark brown upperparts with blackish vermiculations and barring. Crown and nape rufous-brown. Throat whitish; breast rufous. Flanks barred brown. Endemic to tepui highlands; 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。
Tepui Tinamou
托多拉林鷚（Crypturellus ptaritepui）— 委内瑞拉南部特有的稀有林鷚。分布局限于台地山森林。