"Scaled Metaltail" . "Aves" . "Chordata" . . "(Gould 1846)" . "Trochilidae" . "Metallura aeneocauda" . . "Metallura" . . . . "Metallura aeneocauda (Gould 1846)" . . . . . . . . . "Animalia" . . "Trochiliformes" .