Barred Tinamou vs Darwin's Nothura
Crypturellus casiquiare comparado com Nothura darwinii
Side-by-Side Comparison
| Atributo | Barred Tinamou | Darwin's Nothura |
|---|---|---|
| Nome científico | Crypturellus casiquiare | Nothura darwinii |
| Ordem | Tinamiformes | Tinamiformes |
| Família | Tinamidae | Tinamidae |
| Estado de conservação | Least Concern | Least Concern |
| Comprimento | — | — |
| Envergadura | 27,0 cm (10.6 in) | 25,3 cm (10.0 in) |
| Peso | 287,625 g (10.15 oz) | 242,25 g (8.55 oz) |
| Dieta | 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 … |
| Tamanho da postura | -- | 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.
Estado de conservação
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
Inambu-do-Casiquiare (Crypturellus casiquiare) — Inambu raro e pouco conhecido das florestas da região do Canal do Casiquiare no sul da Venezuela e norte do Brasil. Habita o sub-bosque de florestas de igapó e terra firme. Praticamente desconhecido em termos de biologia e ecologia. Detectado pelo canto próximo a cursos d'água.
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.