Brown Tinamou vs Solitary Tinamou
Crypturellus obsoletus 比較対象 Tinamus solitarius
Side-by-Side Comparison
| 属性 | Brown Tinamou | Solitary Tinamou |
|---|---|---|
| 学名 | Crypturellus obsoletus | Tinamus solitarius |
| 目 | Tinamiformes | Tinamiformes |
| 科 | Tinamidae | Tinamidae |
| 保全状況 | Least Concern | Near Threatened |
| 体長 | — | — |
| 翼開長 | 32.0 cm (12.6 in) | 52.3 cm (20.6 in) |
| 体重 | 478.8333333333333 g (16.89 oz) | 1428.5 g (50.39 oz) |
| 食性 | Eats grass seeds, berries, and arthropods in open cerrado; forages in small groups; invertebrate intake … | Omnivorous ground-forager in Patagonian steppes; eats seeds, berries, shoots, and insects; diet shifts toward seeds … |
| 一腹卵数 | 2-4 | 6-7 |
| Population Trend | — | — |
Habitat Comparison
Brown Tinamou
Humid forests from sea level to 2,200 m along the Andes and in Atlantic Forest of Brazil, Bolivia, Argentina, and Paraguay. Prefers dense forest interior and forest-edge thickets. Tolerates secondary forest.
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
Brown Tinamou
A slow series of rich, whistled notes, descending or ascending. Call carries through secondary forest. One of the more musical tinamous in the Crypturellus genus.
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
Brown Tinamou
Inhabits grasslands and open areas across southern South America from sea level to high Patagonian steppes. Largely non-migratory.
Solitary Tinamou
Restricted to Paraguay, southern Bolivia, and northern Argentina. Sedentary in dry Chaco woodlands and open grasslands year-round.
保全状況
Brown Tinamou
Solitary Tinamou
How to Tell Them Apart
Brown Tinamou
Plain warm brown upperparts with minimal barring; crown darker. Throat whitish to pale buff; breast rich brown; belly paler buff. Legs and bill reddish. Relatively uniform compared to congeners.
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
Brown Tinamou
ブラウンティナム（Crypturellus obsoletus）— ブラジルから南アメリカ北部の低地林と山地林に生息する茶色いティナム。多様な生息地に適応している。
Solitary Tinamou
ソリタリーティナムはブラジル東部の大西洋岸森林に生息するシギダチョウです。単独行動を好むことから名前がついています。