Neornithes Gadow, 1893 - living birds Neognathae Pycraft 1900 see Cohort Neognathae Pycraft, 1900 Neoaves Sibley et al. 1988 see Subcohort Neoaves Sibley et al., 1988 [Order] Strigiformes Wagler, 1830 - owls Family Strigidae Vigors, 1825 - owls Subfamily Surniinae del Hoyo et al., 2014 Genus Glaucidium Boie, 1826 Glaucidium griseiceps Sharpe, 1875 Glaucidium griseiceps occultum Moore, 1947