Bartlett's Tinamou vs Yellow-legged Tinamou
Crypturellus bartletti เปรียบเทียบกับ Crypturellus noctivagus
Side-by-Side Comparison
| คุณสมบัติ | Bartlett's Tinamou | Yellow-legged Tinamou |
|---|---|---|
| ชื่อวิทยาศาสตร์ | Crypturellus bartletti | Crypturellus noctivagus |
| อันดับ | Tinamiformes | Tinamiformes |
| วงศ์ตระกูล | Tinamidae | Tinamidae |
| สถานะการอนุรักษ์ | Least Concern | Near Threatened |
| ความยาว | — | — |
| กว้างปีก | 27.1 cm (10.7 in) | 36.4 cm (14.3 in) |
| น้ำหนัก | 241.0 g (8.50 oz) | 567.5 g (20.02 oz) |
| อาหาร | Grazes aquatic vegetation, grasses, and sedges in South American marshes; wades in shallow water; diet … | Feeds on seeds, small berries, and invertebrates in Bolivian and Argentine forests; solitary ground forager. |
| จำนวนไข่ | -- | 3-4 |
| 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.
Yellow-legged Tinamou
Atlantic Forest remnants in eastern Brazil from Bahia south to Rio Grande do Sul. Prefers humid lowland and foothill forest with dense understorey. Increasingly restricted to forest fragments due to deforestation.
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.
Yellow-legged Tinamou
A slow, clear, somewhat melancholic whistle repeated at intervals. Nocturnal calling behavior makes it easier to hear than to see in Atlantic Forest and Cerrado.
Geographic Range & Migration
Bartlett's Tinamou
Ranges from southern Mexico through Central America to northern South America. Sedentary in humid lowland forest understory.
Yellow-legged Tinamou
Inhabits humid forests of eastern Brazil from Bahia to Rio Grande do Sul. Sedentary; restricted to Atlantic Forest remnants.
สถานะการอนุรักษ์
Bartlett's Tinamou
Yellow-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.
Yellow-legged Tinamou
Dark brown upperparts finely barred with blackish. Throat whitish; breast rufous-brown. Belly pale buff-white. Distinctive yellow legs contrast with dark plumage. Larger than most Crypturellus 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.
Yellow-legged Tinamou
A medium-sized tinamou with yellow-orange legs, dark brown upperparts, and pale underparts. Endemic to the Atlantic Forest of eastern Brazil. Largely nocturnal; its mournful whistle is often heard at night. Threatened by continuing deforestation of the Atlantic Forest.