Barred Tinamou vs Variegated Tinamou
Crypturellus casiquiare 比較対象 Crypturellus variegatus
Side-by-Side Comparison
| 属性 | Barred Tinamou | Variegated Tinamou |
|---|---|---|
| 学名 | Crypturellus casiquiare | Crypturellus variegatus |
| 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) | 31.1 cm (12.2 in) |
| 体重 | 287.625 g (10.15 oz) | 363.0 g (12.80 oz) |
| 食性 | Grazes grasses and aquatic vegetation near wetland edges; sedges and stems dominate diet; supplements with … | Herbivorous grazer eating grasses, sedges, and aquatic vegetation; grazes communally on flooded grasslands in northern … |
| 一腹卵数 | -- | 1 |
| 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.
Variegated Tinamou
Lowland humid tropical forest in the Amazon basin, from southern Venezuela and the Guianas through Peru, Bolivia, and central Brazil. Prefers undisturbed forest interior, tolerating some várzea and forest edge.
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.
Variegated Tinamou
A clear, loud whistle of 2-3 falling notes. Called variably from lowland Amazonian forest. One of the more frequently encountered and identified Crypturellus in its range.
Geographic Range & Migration
Barred Tinamou
Inhabits savannas and forest edges of northeastern Brazil's semi-arid Caatinga region. Sedentary and endemic to this biome.
Variegated Tinamou
Found in the highlands of central Peru, Bolivia, and northwestern Argentina. Sedentary in puna grasslands at 3,000–4,500 m.
保全状況
Barred Tinamou
Variegated 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.
Variegated Tinamou
Boldly variegated: upperparts rufous-chestnut with heavy black barring and spots. Crown black; face and throat buff-white. Breast pale rufous. Belly whitish. Vivid pattern distinct among tinamous.
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。
Variegated Tinamou
バリエゲーテッドティナム（Crypturellus variegatus）— アマゾン盆地の湿った雨林に生息するティナム。複雑な縞・斑点模様をもつ。