Slaty-breasted Tinamou vs Solitary Tinamou
Crypturellus boucardi เปรียบเทียบกับ Tinamus solitarius
Side-by-Side Comparison
| คุณสมบัติ | Slaty-breasted Tinamou | Solitary Tinamou |
|---|---|---|
| ชื่อวิทยาศาสตร์ | Crypturellus boucardi | Tinamus solitarius |
| อันดับ | Tinamiformes | Tinamiformes |
| วงศ์ตระกูล | Tinamidae | Tinamidae |
| สถานะการอนุรักษ์ | Vulnerable | Near Threatened |
| ความยาว | — | — |
| กว้างปีก | 33.0 cm (13.0 in) | 52.3 cm (20.6 in) |
| น้ำหนัก | 433.875 g (15.30 oz) | 1428.5 g (50.39 oz) |
| อาหาร | Ground-forager eating seeds, insects, and small fruits in open grasslands; diet shifts to seeds in … | Omnivorous ground-forager in Patagonian steppes; eats seeds, berries, shoots, and insects; diet shifts toward seeds … |
| จำนวนไข่ | 1-10 | 6-7 |
| Population Trend | — | — |
Habitat Comparison
Slaty-breasted Tinamou
Humid lowland and foothill forest from sea level to 800 m, from southern Mexico through Central America to northwestern Panama. Prefers undisturbed primary forest interior with dense leaf litter.
Solitary Tinamou
Dense Atlantic Forest of eastern Brazil from Bahia south to Rio Grande do Sul, into northeastern Argentina and Paraguay. Prefers humid lowland and foothill forest with closed canopy and thick undergrowth. Below 900 m.
Song & Call Comparison
Slaty-breasted Tinamou
A mournful, soft whistle, rarely heard and poorly documented due to its vulnerable status and secretive behavior in humid forest of Mexico and Central America.
Solitary Tinamou
Delivers a pure, mournful flute-like whistle repeated slowly. The call is a single clear 'whooo' rising then falling, given from dense understory. Less frequently heard than other tinamous.
Geographic Range & Migration
Slaty-breasted Tinamou
Found in a broad band across central South America from Bolivia and Brazil to northern Argentina. Sedentary in cerrado and dry forests.
Solitary Tinamou
Restricted to Paraguay, southern Bolivia, and northern Argentina. Sedentary in dry Chaco woodlands and open grasslands year-round.
สถานะการอนุรักษ์
Slaty-breasted Tinamou
Solitary Tinamou
How to Tell Them Apart
Slaty-breasted Tinamou
Brown upperparts barred blackish; crown and nape dark brown. Distinctive slate-gray breast contrasting with pale throat and buff belly. Red legs diagnostic. Threatened by habitat loss in Mesoamerica.
Solitary Tinamou
Rich dark brown upperparts heavily barred and vermiculated with black. Crown dark; throat whitish. Breast rufous-brown; belly pale buff. Flanks broadly barred dark brown. Sexes similar.
About These Birds
Slaty-breasted Tinamou
A medium-sized tinamou with slate-grey breast, brown upperparts, and a reddish bill. Found in humid lowland and foothill forest from southern Mexico to Costa Rica. Terrestrial and secretive; calls with a plaintive two-note whistle heard in shady forest interior.
Solitary Tinamou
A large heavily built tinamou with dark olive-brown upperparts, pale underparts, and distinctive dark barring. Lives singly in dense Atlantic Forest, rarely seen despite its loud melancholic calls. Feeds on fallen fruit, seeds, and invertebrates. Threatened by deforestation across eastern Brazil.