Barred Tinamou vs Choco Tinamou
Crypturellus casiquiare 比較対象 Crypturellus kerriae
Side-by-Side Comparison
| 属性 | Barred Tinamou | Choco Tinamou |
|---|---|---|
| 学名 | Crypturellus casiquiare | Crypturellus kerriae |
| 目 | Tinamiformes | Tinamiformes |
| 科 | Tinamidae | Tinamidae |
| 保全状況 | Least Concern | Near Threatened |
| 体長 | — | — |
| 翼開長 | 27.0 cm (10.6 in) | 30.8 cm (12.1 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 … | Eats seeds, small invertebrates, and fallen berries in South American savanna; solitary ground feeder. |
| 一腹卵数 | -- | -- |
| 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.
Choco Tinamou
Dense humid lowland forest in the Darién region of eastern Panama and Chocó of Colombia, below 300 m. Extremely restricted to this narrow Pacific bioregion. Rarely encountered even by experienced field ornithologists.
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.
Choco Tinamou
A soft, hesitant whistle from dense Choco rainforest — one of the most poorly documented tinamou calls, reflecting its restricted and threatened lowland Pacific rainforest 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.
Choco Tinamou
Inhabits open grasslands and steppes of Patagonian Argentina and Chile. Largely sedentary; some seasonal altitudinal movements.
保全状況
Barred Tinamou
Choco 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.
Choco Tinamou
Dark brown upperparts with blackish barring; crown dark. Throat whitish; breast and flanks rufous-brown. Belly pale buff. Reddish legs. Restricted to humid Chocó forests; 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。
Choco Tinamou
A small dark tinamou with black-barred olive-brown plumage. One of the least-known tinamous in the world, restricted to the Chocó bioregion of Colombia and Panama. Known from very few specimens; virtually unstudied in the field. Inhabits dense lowland Pacific forest.