Red-winged Tinamou vs Solitary Tinamou
Rhynchotus rufescens в сравнении с Tinamus solitarius
Side-by-Side Comparison
| Характеристика | Red-winged Tinamou | Solitary Tinamou |
|---|---|---|
| Научное название | Rhynchotus rufescens | Tinamus solitarius |
| Отряд | Tinamiformes | Tinamiformes |
| Семейство | Tinamidae | Tinamidae |
| Охранный статус | Least Concern | Near Threatened |
| Длина | — | — |
| Размах крыльев | 41,8 cm (16.5 in) | 52,3 cm (20.6 in) |
| Масса | 810,0 g (28.57 oz) | 1428,5 g (50.39 oz) |
| Питание | Grazes on grasses, sedges, and fallen seeds near ponds; dabbles for aquatic invertebrates during nesting … | Omnivorous ground-forager in Patagonian steppes; eats seeds, berries, shoots, and insects; diet shifts toward seeds … |
| Размер кладки | 3-9 | 6-7 |
| Population Trend | — | — |
Habitat Comparison
Red-winged Tinamou
Open grasslands, pampas, cerrado, and forest-edge pastures from eastern Brazil through Bolivia, Paraguay, Uruguay, and Argentina. Adapts well to agricultural landscapes. Prefers tall grass for nesting and concealment.
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
Red-winged Tinamou
A loud, mellow, 3-note whistled song that carries across open grasslands. Far-carrying and melodic for an open-country tinamou. Often heard at dusk from tall grass cover.
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
Red-winged Tinamou
Restricted to humid forests of southeastern Brazil, from Espírito Santo to Rio Grande do Sul. Sedentary in Atlantic Forest.
Solitary Tinamou
Restricted to Paraguay, southern Bolivia, and northern Argentina. Sedentary in dry Chaco woodlands and open grasslands year-round.
Охранный статус
Red-winged Tinamou
Solitary Tinamou
How to Tell Them Apart
Red-winged Tinamou
Upperparts brown with heavy black streaking on back. Crown dark streaked. Distinctive rufous-chestnut wings conspicuous in flight. Throat pale; breast brownish-buff streaked. Belly pale buff.
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
Red-winged Tinamou
A large robust tinamou with rich rufous-brown plumage and distinctive reddish flight feathers visible in flight. The largest tinamou of South American open country. Inhabits grasslands and cerrado. Calls with a distinctive three-note whistle. Males alone incubate the deep olive-green eggs.
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.