New records of the enigmatic Clytoctantes atrogularis (Thamnophilidae) in Amazonian Brazil, with remarks on plumage, natural history, and distribution. - Costa, Thiago V. V.; Piacentini, Vitor de Q.; Oliveira, Dalci M. M.; Schunck, Fábio; Whitney, Bret M.; Rêgo, Marco A.; Rubio, Tatiana C.; Oliveira, Fabiano; Freitas, Benedito; Del-Rio, Glaucia; Seeholzer, Glenn F.; Harvey, Michael G.; et al. (Wilson Journal of Ornithology, 2017)