Rufous-faced Antbird

The rufous-faced antbird (Myrmelastes rufifacies) is a species of bird in subfamily Thamnophilinae of family Thamnophilidae, the "typical antbirds". It is endemic to Brazil. == Taxonomy and systematics == The rufous-faced antbird has a complicated taxonomic history. It was previously considered as a subspecies of the spot-winged antbird (now M. leucostigma), which at times had been placed in genera Percnostola and Schistocichla. A 2007 study of the vocal characteristics of the then many subspecies of the spot-winged found significant differences between the taxa. Based on this evidence the brownish-headed antbird was promoted to species status and given its English name. A 2013 study finalized its move to genus Myrmelastes. The fufous-faced antbird is monotypic. == Description == The rufous-faced antbird is 14 to 16 cm (5.5 to 6.3 in) long and weighs 21 to 26 g (0.74 to 0.92 oz). Males have medium gray upperparts with an olive-brown tinge. Their wings and tail are blackish gray with wide white tips on the wing coverts. Their throat and underparts are medium gray with an olive-brown tinge to their sides, flanks, and crissum. Females have a gray-brown crown and upperparts. Their wings and tail are blackish brown with pale cinnamon-rufous tips on…