. . "(Audubon 1844)" . "Passeriformes" . . . "Chordata" . . . "Aves" . "Sprague's Pipit" . . . "Anthus spragueii (Audubon 1844)" . . . "Animalia" . . . . . . . "Motacillidae" . "Anthus spragueii" . "Anthus" .