Undulated Tinamou vs Andean Tinamou
Crypturellus undulatus so với Nothoprocta pentlandii
Side-by-Side Comparison
| Thuộc Tính | Undulated Tinamou | Andean Tinamou |
|---|---|---|
| Tên Khoa Học | Crypturellus undulatus | Nothoprocta pentlandii |
| Bộ | Tinamiformes | Tinamiformes |
| Họ | Tinamidae | Tinamidae |
| Tình Trạng Bảo Tồn | Least Concern | Least Concern |
| Chiều Dài | — | — |
| Chiều Dài Sải Cánh | 34,5 cm (13.6 in) | 29,6 cm (11.7 in) |
| Khối Lượng | 550,6666666666666 g (19.42 oz) | 316,01666666666665 g (11.15 oz) |
| Chế Độ Ăn | Ground-forager in South American dry forests; takes seeds, berries, and invertebrates; diet shifts to tubers … | Herbivorous grazer feeding on grasses and aquatic sedges near wetlands; supplements diet with aquatic invertebrates … |
| Số Trứng | 4-5 | 5-8 |
| Population Trend | — | — |
Habitat Comparison
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.
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
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.
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
Undulated Tinamou
Found in scrubby hillsides and forest edges from Mexico south through Central America to Honduras. Sedentary at low to mid elevations.
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
Undulated Tinamou
Andean Tinamou
How to Tell Them Apart
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.
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
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.
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.