Grey-legged Tinamou vs Andean Tinamou
Crypturellus duidae 比較対象 Nothoprocta pentlandii
Side-by-Side Comparison
| 属性 | Grey-legged Tinamou | Andean Tinamou |
|---|---|---|
| 学名 | Crypturellus duidae | Nothoprocta pentlandii |
| 目 | Tinamiformes | Tinamiformes |
| 科 | Tinamidae | Tinamidae |
| 保全状況 | Least Concern | Least Concern |
| 体長 | — | — |
| 翼開長 | 32.6 cm (12.8 in) | 29.6 cm (11.7 in) |
| 体重 | 429.5 g (15.15 oz) | 316.01666666666665 g (11.15 oz) |
| 食性 | Ground-gleaner taking seeds, berries, and arthropods in Amazonian forests; invertebrate proportion rises in wet season. | Herbivorous grazer feeding on grasses and aquatic sedges near wetlands; supplements diet with aquatic invertebrates … |
| 一腹卵数 | -- | 5-8 |
| Population Trend | — | — |
Habitat Comparison
Grey-legged Tinamou
Montane forest and shrubby tepui slopes at 600–1,800 m on isolated table-mountains in southern Venezuela and adjacent northern Brazil. Restricted range; known from very few locations.
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
Grey-legged Tinamou
A series of hollow whistles with a slightly husky tone. Calls from dense forest floor cover in tepui foothills. Considered vocally conservative among Crypturellus tinamous.
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
Grey-legged Tinamou
Endemic to the humid Andean slopes of western Colombia and northwestern Ecuador. Sedentary in cloud forest from 800 to 2,200 m.
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
Grey-legged Tinamou
Andean Tinamou
How to Tell Them Apart
Grey-legged Tinamou
Dark brown upperparts with blackish barring. Diagnostic gray legs distinguish it from red-legged congeners. Throat whitish; breast rufous-brown; belly pale. Crown darker; 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
Grey-legged Tinamou
グレートティナム（Crypturellus duidae）— ベネズエラ南部のテプイ（卓状山）付近に生息する希少なティナム。高地の森林に生息する。
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.