Steinbach’s Canastero

Steinbach's canastero (Pseudasthenes steinbachi) or the chestnut canastero, is a species of bird in the Furnariinae subfamily of the ovenbird family Furnariidae. It is endemic to Argentina. == Taxonomy and systematics == Steinbach's canastero was originally described as Siptornis steinbachi and was later long placed in genus Asthenes. Beginning in 2010 it and three other members of Asthenes were moved to the newly coined genus Pseudasthenes. Steinbach's canastero is monotypic. (Subspecies neiffi of the short-billed canastero (Asthenes baeri) was originally described as a subspecies of Steinbach's canastero.) == Description == Steinbach's canastero is 15 to 16 cm (5.9 to 6.3 in) long and weighs 14 to 20 g (0.49 to 0.71 oz). The sexes have the same plumage. Adults have a pale supercilium on an otherwise grayish brown face. Their crown and back are dull gray-brown, their rump chestnut, and their uppertail coverts rufous-chestnut. Their wings are mostly rufous with dark fuscous outer halves to the flight feathers. Their tail's inner feathers are blackish fuscous with rufescent outer webs and the outer two pairs entirely rufous or chestnut. Their chin and throat are whitish with faint dusky specks, their breast and belly grayish, and their flanks and undertail coverts tawny-rufous…