Barred Tinamou vs Pale-browed Tinamou
Crypturellus casiquiare 比較対象 Crypturellus transfasciatus
Side-by-Side Comparison
| 属性 | Barred Tinamou | Pale-browed Tinamou |
|---|---|---|
| 学名 | Crypturellus casiquiare | Crypturellus transfasciatus |
| 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) | 30.0 cm (11.8 in) |
| 体重 | 287.625 g (10.15 oz) | 283.0 g (9.98 oz) |
| 食性 | Grazes grasses and aquatic vegetation near wetland edges; sedges and stems dominate diet; supplements with … | Seeds, small fruits, and insects form core diet; forages cryptically on the ground in Neotropical … |
| 一腹卵数 | -- | 1-7 |
| 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.
Pale-browed Tinamou
Seasonally dry tropical forest and deciduous scrub below 1,000 m in the Tumbesian bioregion of western Ecuador and northwestern Peru. Tolerates degraded habitats. Most active in early mornings.
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.
Pale-browed Tinamou
A hesitant, soft whistle repeated at long intervals. Considered a quieter tinamou; its pale-browed plumage matches its retiring vocal behavior in dry forest.
Geographic Range & Migration
Barred Tinamou
Inhabits savannas and forest edges of northeastern Brazil's semi-arid Caatinga region. Sedentary and endemic to this biome.
Pale-browed Tinamou
Inhabits forests and forest edges from Mexico to Ecuador and Bolivia. Largely sedentary; locally common in humid foothills.
保全状況
Barred Tinamou
Pale-browed 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.
Pale-browed Tinamou
Brown upperparts barred blackish; distinctive pale supercilium contrasting with dark crown. Throat white; breast pale rufous-buff. Belly whitish. Flanks barred. Found in dry forests of SW Ecuador and NW Peru.
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。
Pale-browed Tinamou
ペールブラウンティナム（Crypturellus transfasciatus）— エクアドルとペルー西部の乾燥林に生息するティナム。横縞の羽色をもつ。