Cinereous Tinamou vs Andean Tinamou
Crypturellus cinereus so với Nothoprocta pentlandii
Side-by-Side Comparison
| Thuộc Tính | Cinereous Tinamou | Andean Tinamou |
|---|---|---|
| Tên Khoa Học | Crypturellus cinereus | Nothoprocta pentlandii |
| Bộ | Tinamiformes | Tinamiformes |
| Họ | Tinamidae | Tinamidae |
| Tình Trạng Bảo Tồn | Least Concern | Least Concern |
| Chiều Dài | — | — |
| Chiều Dài Sải Cánh | 32,5 cm (12.8 in) | 29,6 cm (11.7 in) |
| Khối Lượng | 502,25 g (17.72 oz) | 316,01666666666665 g (11.15 oz) |
| Chế Độ Ăn | Feeds on seeds, berries, and insects in Neotropical forests; scratches leaf litter to expose invertebrates; … | Herbivorous grazer feeding on grasses and aquatic sedges near wetlands; supplements diet with aquatic invertebrates … |
| Số Trứng | 2 | 5-8 |
| Population Trend | — | — |
Habitat Comparison
Cinereous Tinamou
Lowland humid forest and forest edges in the Amazon and Orinoco basins from Venezuela and Colombia to Bolivia and central Brazil. Prefers dense understorey near water. Tolerates some secondary growth.
Andean Tinamou
Andean valleys, foothills, scrubby slopes, and agricultural land at 1,500–4,000 m from Ecuador through Peru and Bolivia to northwestern Argentina. Tolerates degraded and cultivated areas with scrub remnants.
Song & Call Comparison
Cinereous Tinamou
A monotonous, deep whistle repeated at regular slow intervals. The call is a single, resonant 'whoooo' given from forest floor cover. Typical of lowland humid forest.
Andean Tinamou
A rising 2-note whistle from Andean scrub and grassland. Frequently heard during early morning. Considered a vocal species within its highland habitat.
Geographic Range & Migration
Cinereous Tinamou
Ranges through forests of Chile and adjacent western Argentina. Sedentary in temperate Valdivian forests from sea level to 1,500 m.
Andean Tinamou
Inhabits forests and edges in a broad arc from Costa Rica to northern Argentina and southeastern Brazil. Largely sedentary.
Tình Trạng Bảo Tồn
Cinereous Tinamou
Andean Tinamou
How to Tell Them Apart
Cinereous Tinamou
Uniform slate-gray upperparts; head, neck and breast also gray. Belly paler grayish-white. Lacks strong barring. Bill and legs dark gray. Sexes similar; cinereous refers to its ashy coloration.
Andean Tinamou
Gray-brown upperparts with blackish streaks and buff shaft-streaks. Pale buff supercilium. Breast spotted brown on buff. Belly whitish. Compact; common across Andean grasslands and scrub.
About These Birds
Cinereous Tinamou
A plain uniformly grey-brown tinamou with barred wings and a pale throat. Widespread in lowland Amazonian and Orinoco basin forests. Often detected by its loud two-note whistle. Males alone incubate the glossy teal-colored eggs. Feeds on fallen fruits, seeds, and invertebrates.
Andean Tinamou
A medium-sized tinamou with brown streaked plumage and pale supercilium. Widespread in Andean foothills and inter-Andean valleys from Ecuador to Argentina. Adaptable and locally common; inhabits a variety of open and scrubby habitats at mid to high altitudes.