Owls are birds from the order Strigiformes, which includes over 2 hundred species of by and large solitary and nocturnal birds of prey typified via an upright stance, a large, broad head, binocular vision, binaural hearing, sharp talons, and feathers adapted for silent flight. Exceptions consist of the diurnal northern hawk-owl and the gregarious burrowing owl.Owls hunt usually small mammals, insects, and different birds, even though some species focus on hunting fish. They are observed in all regions of the Earth except the polar ice caps and some far-flung islands.