Grey-legged Tinamou vs Great Tinamou
Crypturellus duidae 比較対象 Tinamus major
Side-by-Side Comparison
| 属性 | Grey-legged Tinamou | Great Tinamou |
|---|---|---|
| 学名 | Crypturellus duidae | Tinamus major |
| 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) | 48.2 cm (19.0 in) |
| 体重 | 429.5 g (15.15 oz) | 1006.75 g (35.51 oz) |
| 食性 | Ground-gleaner taking seeds, berries, and arthropods in Amazonian forests; invertebrate proportion rises in wet season. | Ground-forager eating seeds, fallen fruits, and small invertebrates in Chilean matorral scrub; pecks and scratches … |
| 一腹卵数 | -- | 3-6 |
| 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.
Great Tinamou
Humid lowland and foothill tropical rainforest from southern Mexico through Central America to Bolivia and southeastern Brazil. Prefers undisturbed forest interior with dense understorey. Nests on the ground.
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.
Great Tinamou
A beautiful, pure whistled phrase repeated at regular intervals from the forest floor. Call is a clear 'wheeeoo-wheeeoo'. Among the most musical tinamou calls in its range.
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.
Great Tinamou
Found in open habitats from Venezuela and Guianas through Bolivia to northeastern Argentina. Sedentary in dry savannas and grasslands.
保全状況
Grey-legged Tinamou
Great 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.
Great Tinamou
Olive-brown to grayish-brown upperparts with black vermiculations and barring. Crown darker brownish; throat whitish. Breast grayish-brown; belly pale buff. Flanks barred with dark brown.
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。
Great Tinamou
グレートティナムはメキシコから南米にかけての熱帯雨林に生息する大型のシギダチョウです。深みのある鳴き声で知られています。