Brown Tinamou vs Andean Tinamou
Crypturellus obsoletus 比較対象 Nothoprocta pentlandii
Side-by-Side Comparison
| 属性 | Brown Tinamou | Andean Tinamou |
|---|---|---|
| 学名 | Crypturellus obsoletus | Nothoprocta pentlandii |
| 目 | Tinamiformes | Tinamiformes |
| 科 | Tinamidae | Tinamidae |
| 保全状況 | Least Concern | Least Concern |
| 体長 | — | — |
| 翼開長 | 32.0 cm (12.6 in) | 29.6 cm (11.7 in) |
| 体重 | 478.8333333333333 g (16.89 oz) | 316.01666666666665 g (11.15 oz) |
| 食性 | Eats grass seeds, berries, and arthropods in open cerrado; forages in small groups; invertebrate intake … | Herbivorous grazer feeding on grasses and aquatic sedges near wetlands; supplements diet with aquatic invertebrates … |
| 一腹卵数 | 2-4 | 5-8 |
| Population Trend | — | — |
Habitat Comparison
Brown Tinamou
Humid forests from sea level to 2,200 m along the Andes and in Atlantic Forest of Brazil, Bolivia, Argentina, and Paraguay. Prefers dense forest interior and forest-edge thickets. Tolerates secondary forest.
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
Brown Tinamou
A slow series of rich, whistled notes, descending or ascending. Call carries through secondary forest. One of the more musical tinamous in the Crypturellus genus.
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
Brown Tinamou
Inhabits grasslands and open areas across southern South America from sea level to high Patagonian steppes. Largely non-migratory.
Andean Tinamou
Inhabits forests and edges in a broad arc from Costa Rica to northern Argentina and southeastern Brazil. Largely sedentary.
保全状況
Brown Tinamou
Andean Tinamou
How to Tell Them Apart
Brown Tinamou
Plain warm brown upperparts with minimal barring; crown darker. Throat whitish to pale buff; breast rich brown; belly paler buff. Legs and bill reddish. Relatively uniform compared to congeners.
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
Brown Tinamou
ブラウンティナム（Crypturellus obsoletus）— ブラジルから南アメリカ北部の低地林と山地林に生息する茶色いティナム。多様な生息地に適応している。
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.