Rufous-tailed Antthrush

The rufous-tailed antthrush or Brazilian antthrush (Chamaeza ruficauda) is a species of bird in the family Formicariidae. It is found in Argentina and Brazil. == Taxonomy and systematics == The rufous-tailed antthrush was formerly treated as conspecific with Schwartz's antthrush (C. turdina). In addition, what is now the cryptic antthrush (C. meruloides) was long confused with the rufous-tailed and the short-tailed antthrush (C. campanisona); their geographic ranges overlap though they generally are found at different elevations. Their differences were not fully recognized until 1992. In the late twentieth and early twenty-first centuries several authors and taxonomic systems called Chamaeza ruficauda the Brazilian Antthrush. The rufous-tailed antthrush is monotypic. == Description == The rufous-tailed antthrush is 19 to 20 cm (7.5 to 7.9 in) long and weighs about 63 to 125 g (2.2 to 4.4 oz). The sexes are alike. Adults have a rufescent brown crown. They have white lores, a white streak behind their eye, and a whitish streak on the side of their neck. Their upperparts and wings are mostly rufescent brown with a less rufescent rump and uppertail coverts. Their tail is entirely rufescent brown. Their throat is white with small blackish spots that may look like a…