Grey-legged Tinamou vs Solitary Tinamou
Crypturellus duidae 比較対象 Tinamus solitarius
Side-by-Side Comparison
| 属性 | Grey-legged Tinamou | Solitary Tinamou |
|---|---|---|
| 学名 | Crypturellus duidae | Tinamus solitarius |
| 目 | Tinamiformes | Tinamiformes |
| 科 | Tinamidae | Tinamidae |
| 保全状況 | Least Concern | Near Threatened |
| 体長 | — | — |
| 翼開長 | 32.6 cm (12.8 in) | 52.3 cm (20.6 in) |
| 体重 | 429.5 g (15.15 oz) | 1428.5 g (50.39 oz) |
| 食性 | Ground-gleaner taking seeds, berries, and arthropods in Amazonian forests; invertebrate proportion rises in wet season. | Omnivorous ground-forager in Patagonian steppes; eats seeds, berries, shoots, and insects; diet shifts toward seeds … |
| 一腹卵数 | -- | 6-7 |
| 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.
Solitary Tinamou
Dense Atlantic Forest of eastern Brazil from Bahia south to Rio Grande do Sul, into northeastern Argentina and Paraguay. Prefers humid lowland and foothill forest with closed canopy and thick undergrowth. Below 900 m.
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.
Solitary Tinamou
Delivers a pure, mournful flute-like whistle repeated slowly. The call is a single clear 'whooo' rising then falling, given from dense understory. Less frequently heard than other tinamous.
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.
Solitary Tinamou
Restricted to Paraguay, southern Bolivia, and northern Argentina. Sedentary in dry Chaco woodlands and open grasslands year-round.
保全状況
Grey-legged Tinamou
Solitary 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.
Solitary Tinamou
Rich dark brown upperparts heavily barred and vermiculated with black. Crown dark; throat whitish. Breast rufous-brown; belly pale buff. Flanks broadly barred dark brown. Sexes similar.
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。
Solitary Tinamou
ソリタリーティナムはブラジル東部の大西洋岸森林に生息するシギダチョウです。単独行動を好むことから名前がついています。