Araucaria Tit-Spinetail

The Araucaria tit-spinetail (Leptasthenura setaria) is a Near Threatened species of bird in the Furnariinae subfamily of the ovenbird family Furnariidae. It is found in Argentina and Brazil. == Taxonomy and systematics == For a period in the early twentieth century the Araucaria tit-spinetail was placed by itself in genus Dendrophylax. Research published in 2011 conclusively placed it in Leptasthenura. The Araucaria tit-spinetail's English name comes from the Araucaria angustifolia ("Brazilian pine"), on which is the bird is totally dependent. The Araucaria tit-spinetail is monotypic. == Description == The Araucaria tit-spinetail is 17 to 19 cm (6.7 to 7.5 in) long and weighs about 11 g (0.39 oz). It is a small-bodied, long-tailed furnariid with a short crest and a longish (for the genus) slightly decurved bill. The sexes have the same plumage. Adults have a thin white supercilium on an otherwise black and white striped face. Their crown and crest are blackish with narrow paler streaks. Their upperparts are reddish brown with faint pale streaks on the upper back. Their wings are mostly rufous with wide rufous bases on the otherwise blackish flight feathers. Their tail is mostly reddish brown with the inner webs of the three central pairs…