Spotted Nothura vs Solitary Tinamou
Nothura maculosa so với Tinamus solitarius
Side-by-Side Comparison
| Thuộc Tính | Spotted Nothura | Solitary Tinamou |
|---|---|---|
| Tên Khoa Học | Nothura maculosa | Tinamus solitarius |
| Bộ | Tinamiformes | Tinamiformes |
| Họ | Tinamidae | Tinamidae |
| Tình Trạng Bảo Tồn | Least Concern | Near Threatened |
| Chiều Dài | — | — |
| Chiều Dài Sải Cánh | 24,8 cm (9.8 in) | 52,3 cm (20.6 in) |
| Khối Lượng | 256,0 g (9.03 oz) | 1428,5 g (50.39 oz) |
| Chế Độ Ăn | Migratory grazer feeding on grasses, sedges, and grain; winter diet heavily supplemented with cereal crops … | Omnivorous ground-forager in Patagonian steppes; eats seeds, berries, shoots, and insects; diet shifts toward seeds … |
| Số Trứng | 3-9 | 6-7 |
| Population Trend | — | — |
Habitat Comparison
Spotted Nothura
Pampas grassland, agricultural fields, pasture, and open scrubby areas from sea level to 3,000 m across Argentina, Uruguay, Paraguay, southern Brazil, and Bolivia. Very tolerant of human-modified landscapes.
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
Spotted Nothura
A rapid, repeated whistle described as 'ki-ki-ki' or a trill. One of the most vocal and frequently heard South American tinamous in campos and grassland habitats.
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
Spotted Nothura
Restricted to the Andes of southern Chile and adjacent Argentina. Sedentary in Valdivian temperate forest at low to mid elevations.
Solitary Tinamou
Restricted to Paraguay, southern Bolivia, and northern Argentina. Sedentary in dry Chaco woodlands and open grasslands year-round.
Tình Trạng Bảo Tồn
Spotted Nothura
Solitary Tinamou
How to Tell Them Apart
Spotted Nothura
Heavily spotted and streaked; buff and brown upperparts with bold dark spots. Pale central crown stripe; buff supercilium. Throat and belly white with spotted breast. Rufous in wings. Common and …
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
Spotted Nothura
The most common and widespread nothura, with pale brown plumage heavily spotted with black and buff. Found in pampas grasslands, agricultural land, and open scrub across Argentina, Uruguay, Brazil, and Bolivia. Highly terrestrial; flies rarely. Calls with a rapid descending trill.
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.