Barred Tinamou vs Undulated Tinamou
Crypturellus casiquiare so với Crypturellus undulatus
Side-by-Side Comparison
| Thuộc Tính | Barred Tinamou | Undulated Tinamou |
|---|---|---|
| Tên Khoa Học | Crypturellus casiquiare | Crypturellus undulatus |
| Bộ | Tinamiformes | Tinamiformes |
| Họ | Tinamidae | Tinamidae |
| Tình Trạng Bảo Tồn | Least Concern | Least Concern |
| Chiều Dài | — | — |
| Chiều Dài Sải Cánh | 27,0 cm (10.6 in) | 34,5 cm (13.6 in) |
| Khối Lượng | 287,625 g (10.15 oz) | 550,6666666666666 g (19.42 oz) |
| Chế Độ Ăn | Grazes grasses and aquatic vegetation near wetland edges; sedges and stems dominate diet; supplements with … | Ground-forager in South American dry forests; takes seeds, berries, and invertebrates; diet shifts to tubers … |
| Số Trứng | -- | 4-5 |
| 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.
Undulated Tinamou
Humid forests, forest edges, cerrado woodland, and gallery forest in the Amazon basin and adjacent cerrado from Venezuela and Colombia to Argentina. Tolerates seasonally flooded forest and disturbed secondary habitats.
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.
Undulated Tinamou
A loud, repeated undulating whistle that rises and falls — matching its name 'undulated'. Carries well through várzea forest and wetland edges across its broad 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.
Undulated Tinamou
Found in scrubby hillsides and forest edges from Mexico south through Central America to Honduras. Sedentary at low to mid elevations.
Tình Trạng Bảo Tồn
Barred Tinamou
Undulated 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.
Undulated Tinamou
Brown upperparts with pronounced wavy blackish barring and undulations. Pale buff-white throat; breast rufous-brown. Belly whitish with barred flanks. Reddish-orange legs diagnostic. 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.
Undulated Tinamou
A medium-sized tinamou with fine undulating barring throughout its brown plumage, giving it a scalloped look. Widespread in Amazonian and Cerrado habitats. Produces a distinctive three- or four-note fluted call. Feeds on fallen fruits, arthropods, and seeds, often near gallery forests and water.