. . "Aves" . . . . . . . "Bicknell's Thrush" . . "Catharus bicknelli (Ridgway 1882)" . "Animalia" . "Passeriformes" . "Catharus bicknelli" . . . . . "Chordata" . . "Catharus" . "(Ridgway 1882)" . "Turdidae" . . . .