. . . . . "Passeriformes" . . . "Chordata" . . . "Polioptila" . . "Polioptila lactea" . . "Sharpe 1885" . "Certhiidae" . . . "Animalia" . "Aves" . "Polioptila lactea Sharpe 1885" . "Creamy-bellied Gnatcatcher" . .