Sincorá Antwren Formicivora grantsaui
Immature Male Sincorá Antwren, Chapada Diamantina, Bahia, Brazil, March 2004 - click for larger image Chapada Diamantina, Bahia, Brazil
March 2004

The Sincorá Antwren is restricted to the Serra do Sincorá in the Chapada Diamantina, Bahia. It is found in campos rupestres (rocky montane scrub) while the similar Rusty-backed Antwren F. rufa is found in cerrado, borders of gallery forest and white-sand forest.

It differs from Rusty-backed Antwren in having darker and less rufous upperparts, less yellow on the flanks and having underwing coverts that are grey and white as opposed to pure white. The song is also different. It features as the second cut for Rusty-backed Antwren on the CDs "Songs of the Antbirds" by Phyllis Isler and Bret Whitney.
Immature Male Sincorá Antwren, Chapada Diamantina, Bahia, Brazil, March 2004 - click for larger image This species was only described in 2007 by Luiz Pedreira Gonzaga, André Carvalhaes and Dante Buzzetti. You can find the article here. The article includes excellent photos of the adult male and female by Sidnei Sampaio. All these photos are of an immature male bird.
Immature Male Sincorá Antwren, Chapada Diamantina, Bahia, Brazil, March 2004 - click for larger image
Immature Male Sincorá Antwren, Chapada Diamantina, Bahia, Brazil, March 2004 - click for larger image
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