Rio Içanna, north-west Brazil.
Races defined on basis of female plumages, but racial assignment of specimens often difficult because of extensive individual (though possibly age-related) variation, even among females from same locality. Form fulva recently elevated to species level#R on basis of slower (effect size 3.55; score 2), more rising (effect size 3.9; score 2) loudsong#R, but plumage differences between fulva and adjacent diversa very difficult to determine. Emendation of specific epithet to “unduligera” is unjustified#R. Four subspecies recognized.
Food and feeding
Status and conservation
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