Barred Tinamou vs Small-billed Tinamou
Crypturellus casiquiare 比較対象 Crypturellus parvirostris
Side-by-Side Comparison
| 属性 | Barred Tinamou | Small-billed Tinamou |
|---|---|---|
| 学名 | Crypturellus casiquiare | Crypturellus parvirostris |
| 目 | Tinamiformes | Tinamiformes |
| 科 | Tinamidae | Tinamidae |
| 保全状況 | Least Concern | Least Concern |
| 体長 | — | — |
| 翼開長 | 27.0 cm (10.6 in) | 22.2 cm (8.7 in) |
| 体重 | 287.625 g (10.15 oz) | 193.0 g (6.81 oz) |
| 食性 | Grazes grasses and aquatic vegetation near wetland edges; sedges and stems dominate diet; supplements with … | Plucks grasses, aquatic plants, and seeds from wetland margins in South America; large body requires … |
| 一腹卵数 | -- | 2-5 |
| 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.
Small-billed Tinamou
Cerrado woodland, savanna grassland, gallery forest edges, and campo sujo in central Brazil, Bolivia, and Paraguay. Tolerates degraded habitats and cultivated areas. Most common in open and transitional zones.
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.
Small-billed Tinamou
A high-pitched whistle with minimal variation. Among the smaller tinamous; call reflects its tiny size with a thinner tone. Found in open Cerrado grassland-forest edge.
Geographic Range & Migration
Barred Tinamou
Inhabits savannas and forest edges of northeastern Brazil's semi-arid Caatinga region. Sedentary and endemic to this biome.
Small-billed Tinamou
Found in forests and forest margins from southern Mexico to Brazil and Bolivia. Sedentary in warm lowland and foothill habitats.
保全状況
Barred Tinamou
Small-billed 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.
Small-billed Tinamou
Small and compact with brown upperparts finely barred dark; crown dark brown. Throat pale; breast rufous-buff. Belly whitish. Disproportionately small bill. Reddish legs. Sexes similar.
About These Birds
Barred Tinamou
カシキアレティナム（Crypturellus casiquiare）— ベネズエラとブラジル北部の雨林に生息する희귀한 ティナム。アマゾンとオリノコの流域に生息する。
Small-billed Tinamou
スモールビルドティナム（Crypturellus parvirostris）— ブラジルとアルゼンチンのセラードと乾燥林に生息するティナム。小さい嘴が特徴。