Solitary Tinamou vs Grey Tinamou
Tinamus solitarius 比較対象 Tinamus tao
Side-by-Side Comparison
| 属性 | Solitary Tinamou | Grey Tinamou |
|---|---|---|
| 学名 | Tinamus solitarius | Tinamus tao |
| 目 | Tinamiformes | Tinamiformes |
| 科 | Tinamidae | Tinamidae |
| 保全状況 | Near Threatened | Vulnerable |
| 体長 | — | — |
| 翼開長 | 52.3 cm (20.6 in) | 55.7 cm (21.9 in) |
| 体重 | 1428.5 g (50.39 oz) | 1674.5 g (59.07 oz) |
| 食性 | Omnivorous ground-forager in Patagonian steppes; eats seeds, berries, shoots, and insects; diet shifts toward seeds … | Herbivorous tinamou feeding on seeds, fruits, and tender leaves in Andean foothills; occasionally takes insects … |
| 一腹卵数 | 6-7 | 2-9 |
| Population Trend | — | — |
Habitat Comparison
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.
Grey Tinamou
Tropical and subtropical humid montane forest from Venezuela and Colombia south to Bolivia and northern Brazil at 200–1,800 m. Favors dense undergrowth near forest streams. Nests on the ground among leaf litter.
Song & Call Comparison
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.
Grey Tinamou
A series of haunting, flute-like hollow whistles 'whooo-wooo' delivered at dawn and dusk from within humid forest. Mournful, far-carrying quality typical of large forest tinamous.
Geographic Range & Migration
Solitary Tinamou
Restricted to Paraguay, southern Bolivia, and northern Argentina. Sedentary in dry Chaco woodlands and open grasslands year-round.
Grey Tinamou
Found in open habitats across South America from Colombia and Venezuela to Chile and Argentina. Sedentary; some local altitudinal shifts.
保全状況
Solitary Tinamou
Grey Tinamou
How to Tell Them Apart
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.
Grey Tinamou
Uniform dark slate-gray upperparts finely vermiculated with black. Throat whitish; breast pale gray. Flanks barred with dark brown. Sexes similar; cryptic plumage suits humid forest floor.
About These Birds
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。
Grey Tinamou
グレイティナムはアンデス山脈東部の斜面に生息する大型のシギダチョウです。灰色の羽毛が特徴的です。