Juan Fernández; error = Rio de Janeiro, Brazil.
Usually treated as conspecific with O. coronatus, O. mexicanus and O. occidentalis. Differs from coronatus in larger overall size (effect size for tail in males 4.03 [but n=4 swainsoni], score 2); plain smoky-rufous underparts vs densely olive-barred breast (3); and mid-chestnut vs very dark olive-brown head sides, neck sides, mantle and back (3). Differs from mexicanus in its somewhat smaller size with notably shorter bill (effect size in males –4.29 [but n=4 swainsoni], score 2); plain smoky-rufous underparts vs densely olive-spotted or olive-barred breast with palish rufous belly (3); dully rufous vs olive-brown head sides, neck sides, mantle and back (2); and white-tinged rusty vs strongly white chin and throat (ns). Differs from occidentalis in characters outlined under that species. Also distinctive in call, which is significantly shorter (effect size 4.9; score 2) and higher-pitched (effect size also 4.9; score 2) than that of other taxa. Monotypic.
SE Brazil (S Bahia; S Minas Gerais and Rio de Janeiro S to E São Paulo, E Paraná and NE Santa Catarina#R).
Food and feeding
Status and conservation
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