Small-billed Tinamou vs Andean Tinamou
Crypturellus parvirostris เปรียบเทียบกับ Nothoprocta pentlandii
Side-by-Side Comparison
| คุณสมบัติ | Small-billed Tinamou | Andean Tinamou |
|---|---|---|
| ชื่อวิทยาศาสตร์ | Crypturellus parvirostris | Nothoprocta pentlandii |
| อันดับ | Tinamiformes | Tinamiformes |
| วงศ์ตระกูล | Tinamidae | Tinamidae |
| สถานะการอนุรักษ์ | Least Concern | Least Concern |
| ความยาว | — | — |
| กว้างปีก | 22.2 cm (8.7 in) | 29.6 cm (11.7 in) |
| น้ำหนัก | 193.0 g (6.81 oz) | 316.01666666666665 g (11.15 oz) |
| อาหาร | Plucks grasses, aquatic plants, and seeds from wetland margins in South America; large body requires … | Herbivorous grazer feeding on grasses and aquatic sedges near wetlands; supplements diet with aquatic invertebrates … |
| จำนวนไข่ | 2-5 | 5-8 |
| Population Trend | — | — |
Habitat Comparison
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Small-billed Tinamou only
Andean Tinamou only
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Small-billed Tinamou
Cerrado woodland, savanna grassland, gallery forest edges, and campo sujo in central Brazil, Bolivia, and Paraguay. Tolerates degraded habitats and cultivated areas. Most common in open and transitional zones.
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
Small-billed Tinamou
A high-pitched whistle with minimal variation. Among the smaller tinamous; call reflects its tiny size with a thinner tone. Found in open Cerrado grassland-forest edge.
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
Small-billed Tinamou
Found in forests and forest margins from southern Mexico to Brazil and Bolivia. Sedentary in warm lowland and foothill habitats.
Andean Tinamou
Inhabits forests and edges in a broad arc from Costa Rica to northern Argentina and southeastern Brazil. Largely sedentary.
สถานะการอนุรักษ์
Small-billed Tinamou
Andean Tinamou
How to Tell Them Apart
Small-billed Tinamou
Small and compact with brown upperparts finely barred dark; crown dark brown. Throat pale; breast rufous-buff. Belly whitish. Disproportionately small bill. Reddish legs. 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
Small-billed Tinamou
A small tinamou with brown plumage, pale underparts, and a notably short fine bill. Widespread in cerrado, savanna woodlands, and forest edges of central South America. Often calls from dense grass or low scrub. One of the few tinamous adapted to open and semi-open habitats.
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.