. "Chordata" . . . "Aves" . "Polytmus guainumbi (Pallas 1764)" . . "Polytmus guainumbi" . "Polytmus" . . "Trochilidae" . . "Trochiliformes" . "Animalia" . . "(Pallas 1764)" . . . . "White-tailed Goldenthroat" . . . . .