Bartlett's Tinamou vs Grey-legged Tinamou
Crypturellus bartletti so với Crypturellus duidae
Side-by-Side Comparison
| Thuộc Tính | Bartlett's Tinamou | Grey-legged Tinamou |
|---|---|---|
| Tên Khoa Học | Crypturellus bartletti | Crypturellus duidae |
| Bộ | Tinamiformes | Tinamiformes |
| Họ | Tinamidae | Tinamidae |
| Tình Trạng Bảo Tồn | Least Concern | Least Concern |
| Chiều Dài | — | — |
| Chiều Dài Sải Cánh | 27,1 cm (10.7 in) | 32,6 cm (12.8 in) |
| Khối Lượng | 241,0 g (8.50 oz) | 429,5 g (15.15 oz) |
| Chế Độ Ăn | Grazes aquatic vegetation, grasses, and sedges in South American marshes; wades in shallow water; diet … | Ground-gleaner taking seeds, berries, and arthropods in Amazonian forests; invertebrate proportion rises in wet season. |
| Số Trứng | -- | -- |
| 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.
Grey-legged Tinamou
Montane forest and shrubby tepui slopes at 600–1,800 m on isolated table-mountains in southern Venezuela and adjacent northern Brazil. Restricted range; known from very few locations.
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.
Grey-legged Tinamou
A series of hollow whistles with a slightly husky tone. Calls from dense forest floor cover in tepui foothills. Considered vocally conservative among Crypturellus tinamous.
Geographic Range & Migration
Bartlett's Tinamou
Ranges from southern Mexico through Central America to northern South America. Sedentary in humid lowland forest understory.
Grey-legged Tinamou
Endemic to the humid Andean slopes of western Colombia and northwestern Ecuador. Sedentary in cloud forest from 800 to 2,200 m.
Tình Trạng Bảo Tồn
Bartlett's Tinamou
Grey-legged 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.
Grey-legged Tinamou
Dark brown upperparts with blackish barring. Diagnostic gray legs distinguish it from red-legged congeners. Throat whitish; breast rufous-brown; belly pale. Crown darker; sexes similar.
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.
Grey-legged Tinamou
A poorly known medium-sized tinamou with brown plumage and conspicuously grey legs. Restricted to the tepui region of southern Venezuela and adjacent northern Brazil. Known from very few observations. Forages terrestrially in dense undergrowth of montane forest.