the great grey owl or great gray owl strix nebulosa

200 adapted alcedinidae alcedo are atthis binaural binocular bird birds blue brightly broad burrowing colored common coraciiformes diurnal exceptions eye family feathers flight gray great gregarious grey hawkowl head hearing include includes kingfisher kingfishers large mediumsized mostly nebulosa nocturnal northern order owl owls prey sharp silent small solitary species stance strigiformes strix talons typified upright vision water which wildlife