Barred Tinamou vs Darwin's Nothura
Crypturellus casiquiare 对比 Nothura darwinii
Side-by-Side Comparison
| 属性 | Barred Tinamou | Darwin's Nothura |
|---|---|---|
| 学名 | Crypturellus casiquiare | Nothura darwinii |
| 目 | Tinamiformes | Tinamiformes |
| 科 | Tinamidae | Tinamidae |
| 保护状况 | Least Concern | Least Concern |
| 体长 | — | — |
| 翼展 | 27.0 cm (10.6 in) | 25.3 cm (10.0 in) |
| 体重 | 287.625 g (10.15 oz) | 242.25 g (8.55 oz) |
| 食性 | Grazes grasses and aquatic vegetation near wetland edges; sedges and stems dominate diet; supplements with … | Grazes grasses, grain stubble, and aquatic plants; migratory goose with diet shifting to agricultural grain … |
| 产卵数 | -- | 3-9 |
| 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.
Darwin's Nothura
Puna grassland, Andean steppe, and altiplano at 3,000–4,500 m from Peru through Bolivia and Chile to central Argentina. Tolerates dry exposed conditions and some human disturbance.
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.
Darwin's Nothura
A fast, rippling 3-note whistle from puna grassland and desert scrub. Call is considered brighter and faster than related nothuras. Heard during morning and evening activity.
Geographic Range & Migration
Barred Tinamou
Inhabits savannas and forest edges of northeastern Brazil's semi-arid Caatinga region. Sedentary and endemic to this biome.
Darwin's Nothura
Endemic to the Colombian and Venezuelan Andes; inhabits paramo above 3,000 m. Sedentary and high-altitude specialist year-round.
保护状况
Barred Tinamou
Darwin's Nothura
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.
Darwin's Nothura
Brown upperparts with buff and black streaking; crown dark with pale central stripe. Pale supercilium. Breast buff spotted dark brown. Belly whitish. Arid Andean foothills and pampas specialist.
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。
Darwin's Nothura
A small tinamou named in honor of Charles Darwin, with streaked brown plumage and pale underparts. Common in puna grasslands and Andean steppe of Peru, Bolivia, Chile, and Argentina. Terrestrial and gregarious; moves in small groups. Calls with a rapid trilling whistle.