Dwarf Tinamou vs Solitary Tinamou
Taoniscus nanus 比較対象 Tinamus solitarius
Side-by-Side Comparison
| 属性 | Dwarf Tinamou | Solitary Tinamou |
|---|---|---|
| 学名 | Taoniscus nanus | Tinamus solitarius |
| 目 | Tinamiformes | Tinamiformes |
| 科 | Tinamidae | Tinamidae |
| 保全状況 | Endangered | Near Threatened |
| 体長 | — | — |
| 翼開長 | 15.3 cm (6.0 in) | 52.3 cm (20.6 in) |
| 体重 | 43.0 g (1.52 oz) | 1428.5 g (50.39 oz) |
| 食性 | Eats grasses and agricultural grain; migratory; grazes pastures and stubble fields in winter across Europe … | Omnivorous ground-forager in Patagonian steppes; eats seeds, berries, shoots, and insects; diet shifts toward seeds … |
| 一腹卵数 | 3 | 6-7 |
| Population Trend | — | — |
Habitat Comparison
Dwarf Tinamou
Intact campo sujo and campo limpo grasslands of the cerrado in central Brazil. Extremely sensitive to burning, grazing, and conversion of native grasslands. One of the world's most poorly known birds.
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
Dwarf Tinamou
Poorly documented; the Dwarf Tinamou is an endangered cerrado endemic whose call is a thin, very high-pitched whistle. Rarely recorded; secretive in tall grass.
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
Dwarf Tinamou
Found in the coastal Humboldt Current region of Peru and Chile. Largely sedentary; range closely tied to cold upwelling waters.
Solitary Tinamou
Restricted to Paraguay, southern Bolivia, and northern Argentina. Sedentary in dry Chaco woodlands and open grasslands year-round.
保全状況
Dwarf Tinamou
Solitary Tinamou
How to Tell Them Apart
Dwarf Tinamou
Minute; brown-gray upperparts with buff and blackish barring. Crown dark brown with pale center. Throat pale; breast buff with brown spots. Belly whitish. Smallest tinamou; critically threatened cerrado species.
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
Dwarf Tinamou
The smallest tinamou in the world, weighing only 40–50 g, with brown-streaked plumage and a very short bill. Critically Endangered and poorly known; restricted to intact cerrado grasslands of central Brazil. Considered one of South America's rarest and most enigmatic 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。