"Chordata" . "Aves" . "Subtropical Pygmy-owl" . . . . . "Glaucidium parkeri Robbins and Howell 1995" . "Animalia" . . "Strigiformes" . "Glaucidium parkeri" . "Robbins and Howell 1995" . "Glaucidium" . . . . . . . . . . "Strigidae" .