Bartlett's Tinamou vs Pale-browed Tinamou
Crypturellus bartletti เปรียบเทียบกับ Crypturellus transfasciatus
Side-by-Side Comparison
| คุณสมบัติ | Bartlett's Tinamou | Pale-browed Tinamou |
|---|---|---|
| ชื่อวิทยาศาสตร์ | Crypturellus bartletti | Crypturellus transfasciatus |
| อันดับ | Tinamiformes | Tinamiformes |
| วงศ์ตระกูล | Tinamidae | Tinamidae |
| สถานะการอนุรักษ์ | Least Concern | Near Threatened |
| ความยาว | — | — |
| กว้างปีก | 27.1 cm (10.7 in) | 30.0 cm (11.8 in) |
| น้ำหนัก | 241.0 g (8.50 oz) | 283.0 g (9.98 oz) |
| อาหาร | Grazes aquatic vegetation, grasses, and sedges in South American marshes; wades in shallow water; diet … | Seeds, small fruits, and insects form core diet; forages cryptically on the ground in Neotropical … |
| จำนวนไข่ | -- | 1-7 |
| 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.
Pale-browed Tinamou
Seasonally dry tropical forest and deciduous scrub below 1,000 m in the Tumbesian bioregion of western Ecuador and northwestern Peru. Tolerates degraded habitats. Most active in early mornings.
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.
Pale-browed Tinamou
A hesitant, soft whistle repeated at long intervals. Considered a quieter tinamou; its pale-browed plumage matches its retiring vocal behavior in dry forest.
Geographic Range & Migration
Bartlett's Tinamou
Ranges from southern Mexico through Central America to northern South America. Sedentary in humid lowland forest understory.
Pale-browed Tinamou
Inhabits forests and forest edges from Mexico to Ecuador and Bolivia. Largely sedentary; locally common in humid foothills.
สถานะการอนุรักษ์
Bartlett's Tinamou
Pale-browed 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.
Pale-browed Tinamou
Brown upperparts barred blackish; distinctive pale supercilium contrasting with dark crown. Throat white; breast pale rufous-buff. Belly whitish. Flanks barred. Found in dry forests of SW Ecuador and NW Peru.
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.
Pale-browed Tinamou
A medium-sized tinamou with a distinctive pale supercilium, brown upperparts, and barred flanks. Found in dry forests of western Ecuador and northwestern Peru. Calls with a mournful two-note whistle. Restricted to the seasonally dry Tumbesian region.