Rusty Tinamou vs Barred Tinamou
Crypturellus brevirostris в сравнении с Crypturellus casiquiare
Side-by-Side Comparison
| Характеристика | Rusty Tinamou | Barred Tinamou |
|---|---|---|
| Научное название | Crypturellus brevirostris | Crypturellus casiquiare |
| Отряд | Tinamiformes | Tinamiformes |
| Семейство | Tinamidae | Tinamidae |
| Охранный статус | Least Concern | Least Concern |
| Длина | — | — |
| Размах крыльев | 27,7 cm (10.9 in) | 27,0 cm (10.6 in) |
| Масса | 273,9 g (9.66 oz) | 287,625 g (10.15 oz) |
| Питание | Omnivorous screamer; grazes aquatic plants, seeds, and grasses in South American wetlands; supplements with invertebrates. | Grazes grasses and aquatic vegetation near wetland edges; sedges and stems dominate diet; supplements with … |
| Размер кладки | -- | -- |
| Population Trend | — | — |
Habitat Comparison
Rusty Tinamou
Lowland terra firme rainforest in the central Amazon basin of Brazil. Prefers dense undisturbed forest interior with thick leaf litter and low understorey vegetation. Rarely recorded.
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.
Song & Call Comparison
Rusty Tinamou
A high, thin whistle with a slightly raspy quality. Smaller than most forest tinamous; its call reflects its diminutive size. Heard in terra firme forest of the Amazon basin.
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.
Geographic Range & Migration
Rusty Tinamou
Found in coastal lowlands and forest edges of Pacific-slope Ecuador and northern Peru. Sedentary; inhabits dry coastal scrub.
Barred Tinamou
Inhabits savannas and forest edges of northeastern Brazil's semi-arid Caatinga region. Sedentary and endemic to this biome.
Охранный статус
Rusty Tinamou
Barred Tinamou
How to Tell Them Apart
Rusty Tinamou
Warm rusty-rufous brown upperparts with faint darker barring; crown slightly darker. Throat pale buff; breast uniform rusty-rufous. Belly paler buff. Short-billed; legs reddish. Sexes similar.
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.
About These Birds
Rusty Tinamou
A small tinamou with rich warm rufous-brown plumage and a short stout bill. Found in the central Amazon basin of Brazil. Poorly studied; known mainly from specimens and limited field encounters. Terrestrial and secretive, inhabiting the dense floor of Amazonian rainforest.
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.