Barred Tinamou vs Tepui Tinamou
Crypturellus casiquiare comparé à Crypturellus ptaritepui
Side-by-Side Comparison
| Attribut | Barred Tinamou | Tepui Tinamou |
|---|---|---|
| Nom scientifique | Crypturellus casiquiare | Crypturellus ptaritepui |
| Ordre | Tinamiformes | Tinamiformes |
| Famille | Tinamidae | Tinamidae |
| Statut de conservation | Least Concern | Least Concern |
| Longueur | — | — |
| Envergure | 27,0 cm (10.6 in) | 27,2 cm (10.7 in) |
| Poids | 287,625 g (10.15 oz) | 443,4 g (15.64 oz) |
| Régime alimentaire | Grazes grasses and aquatic vegetation near wetland edges; sedges and stems dominate diet; supplements with … | Scratches forest floor for seeds, small invertebrates, and fungi; diet dominated by seeds and tubers … |
| Taille de la couvée | -- | -- |
| 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.
Tepui Tinamou
Humid forest and scrub on tepui highlands at 1,000–2,000 m in the Gran Sabana region of Venezuela. Extremely restricted to isolated table-mountain plateaus. Rarely studied or observed.
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.
Tepui Tinamou
A clear, whistled phrase from Tepui tabletop habitats. Call is a 2-note falling whistle. Poorly documented; restricted range makes systematic study difficult.
Geographic Range & Migration
Barred Tinamou
Inhabits savannas and forest edges of northeastern Brazil's semi-arid Caatinga region. Sedentary and endemic to this biome.
Tepui Tinamou
Found in forests and scrub of southern Bolivia and northwestern Argentina. Sedentary; inhabits dry montane valleys at 1,500–3,000 m.
Statut de conservation
Barred Tinamou
Tepui 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.
Tepui Tinamou
Dark brown upperparts with blackish vermiculations and barring. Crown and nape rufous-brown. Throat whitish; breast rufous. Flanks barred brown. Endemic to tepui highlands; sexes similar.
About These Birds
Barred Tinamou
A small tinamou with distinctly barred brown-and-buff plumage. Restricted to the Casiquiare region of Venezuela and adjacent northwestern Brazil—one of the most restricted tinamou ranges. Nearly all data come from specimens. Inhabits humid lowland forest along river systems.
Tepui Tinamou
A small little-known tinamou with dark brown plumage confined to the tepui highlands of southern Venezuela. Known from very few specimens. Terrestrial and secretive; its call is rarely heard. Forages in dense submontane and montane forest undergrowth.