Bartlett's Tinamou vs Lesser Nothura
Crypturellus bartletti so với Nothura minor
Side-by-Side Comparison
| Thuộc Tính | Bartlett's Tinamou | Lesser Nothura |
|---|---|---|
| Tên Khoa Học | Crypturellus bartletti | Nothura minor |
| Bộ | Tinamiformes | Tinamiformes |
| Họ | Tinamidae | Tinamidae |
| Tình Trạng Bảo Tồn | Least Concern | Vulnerable |
| Chiều Dài | — | — |
| Chiều Dài Sải Cánh | 27,1 cm (10.7 in) | 22,0 cm (8.7 in) |
| Khối Lượng | 241,0 g (8.50 oz) | 163,33333333333334 g (5.76 oz) |
| Chế Độ Ăn | Grazes aquatic vegetation, grasses, and sedges in South American marshes; wades in shallow water; diet … | Eats grasses, seeds, and aquatic plants; migratory; supplements diet with invertebrates in breeding season across … |
| Số Trứng | -- | 2-4 |
| 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.
Lesser Nothura
Native campo sujo and campo limpo grasslands of the cerrado biome in central Brazil. Highly dependent on intact native grassland with bunchgrass structure; very sensitive to exotic grass invasion and burning.
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.
Lesser Nothura
A thin, high whistle, poorly documented due to its vulnerable status and restricted campos habitat in interior Brazil. Rarely recorded; calls are considered similar to Spotted Nothura.
Geographic Range & Migration
Bartlett's Tinamou
Ranges from southern Mexico through Central America to northern South America. Sedentary in humid lowland forest understory.
Lesser Nothura
Found in open grassy habitats of central South America from Bolivia and Brazil to Argentina. Sedentary; forages in short grassland.
Tình Trạng Bảo Tồn
Bartlett's Tinamou
Lesser Nothura
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.
Lesser Nothura
Tiny cerrado tinamou; brown upperparts with fine buff and black streaking. Pale supercilium. Throat and breast buff-white spotted brown. Belly whitish. Smallest Nothura; threatened grassland specialist.
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.
Lesser Nothura
A very small tinamou with finely streaked brown plumage and whitish underparts. One of the smallest tinamous. Restricted to the cerrado campos and grasslands of central Brazil. Critically Endangered due to loss of native cerrado. Calls with a thin high-pitched whistle.