Dwarf Tinamou vs Great Tinamou
Taoniscus nanus 比較対象 Tinamus major
Side-by-Side Comparison
| 属性 | Dwarf Tinamou | Great Tinamou |
|---|---|---|
| 学名 | Taoniscus nanus | Tinamus major |
| 目 | Tinamiformes | Tinamiformes |
| 科 | Tinamidae | Tinamidae |
| 保全状況 | Endangered | Least Concern |
| 体長 | — | — |
| 翼開長 | 15.3 cm (6.0 in) | 48.2 cm (19.0 in) |
| 体重 | 43.0 g (1.52 oz) | 1006.75 g (35.51 oz) |
| 食性 | Eats grasses and agricultural grain; migratory; grazes pastures and stubble fields in winter across Europe … | Ground-forager eating seeds, fallen fruits, and small invertebrates in Chilean matorral scrub; pecks and scratches … |
| 一腹卵数 | 3 | 3-6 |
| 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.
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
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.
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
Dwarf Tinamou
Found in the coastal Humboldt Current region of Peru and Chile. Largely sedentary; range closely tied to cold upwelling waters.
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
Dwarf Tinamou
Great 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.
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
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.
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。