. . . . . "Animalia" . "Sakesphorus" . . . "Passeriformes" . . "(Linnaeus 1766)" . "Chordata" . "Black-crested Antshrike" . "Sakesphorus canadensis" . "Sakesphorus canadensis (Linnaeus 1766)" . . . . . . . "Thamnophilidae" . "Aves" . .