Bartlett's Tinamou vs Dwarf Tinamou
Crypturellus bartletti so với Taoniscus nanus
Side-by-Side Comparison
| Thuộc Tính | Bartlett's Tinamou | Dwarf Tinamou |
|---|---|---|
| Tên Khoa Học | Crypturellus bartletti | Taoniscus nanus |
| Bộ | Tinamiformes | Tinamiformes |
| Họ | Tinamidae | Tinamidae |
| Tình Trạng Bảo Tồn | Least Concern | Endangered |
| Chiều Dài | — | — |
| Chiều Dài Sải Cánh | 27,1 cm (10.7 in) | 15,3 cm (6.0 in) |
| Khối Lượng | 241,0 g (8.50 oz) | 43,0 g (1.52 oz) |
| Chế Độ Ăn | Grazes aquatic vegetation, grasses, and sedges in South American marshes; wades in shallow water; diet … | Eats grasses and agricultural grain; migratory; grazes pastures and stubble fields in winter across Europe … |
| Số Trứng | -- | 3 |
| Population Trend | — | — |
Habitat Comparison
Bartlett's Tinamou
Lowland humid forest in the western Amazon basin of Peru, Ecuador, and adjacent Colombia and Brazil. Prefers undisturbed terra firme and seasonally flooded forest interior below 400 m.
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.
Song & Call Comparison
Bartlett's Tinamou
A soft, repeated whistle from Amazonian lowland forest. Less well known than other Crypturellus; its call is a simple 2-note descending whistle given from dense cover.
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.
Geographic Range & Migration
Bartlett's Tinamou
Ranges from southern Mexico through Central America to northern South America. Sedentary in humid lowland forest understory.
Dwarf Tinamou
Found in the coastal Humboldt Current region of Peru and Chile. Largely sedentary; range closely tied to cold upwelling waters.
Tình Trạng Bảo Tồn
Bartlett's Tinamou
Dwarf Tinamou
How to Tell Them Apart
Bartlett's Tinamou
Brown upperparts with fine blackish barring; crown dark. Throat whitish to pale buff; breast rufous-brown. Belly buff-white. Reddish legs. Small tinamou of Amazonian lowland forests; sexes similar.
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.
About These Birds
Bartlett's Tinamou
A small brown tinamou with obscure barring and a grey throat, named after naturalist Edward Bartlett. Found in the western Amazon basin in Peru, Ecuador, and adjacent Brazil. Terrestrial and cryptic; detected mainly by its soft clear whistle in humid forest.
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.