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In some places, they are sympatric with the Rusty-backed Antwren (F. rufa).
The Rusty-backed Antwren (Formicivora rufa) is a species of bird in the Thamnophilidae family.
The song is a series of repeated short notes uttered at a rate of about 2.1 notes per second, much slower than the song of the Rusty-backed Antwren.
The Rusty-backed Antwren (F. rufa) is similar to the Sincorá Antwren but has paler and more rufous upperparts, yellowish flanks and entirely white underwing-coverts.
The Rusty-backed Antwren (Formicivora rufa) is a species of bird in the Thamnophilidae family.
Wörterbuch für ornithologische Begriffe