Owls are birds from the order Strigiformes, which includes over 200 species of mostly solitary and nocturnal birds of prey typified by an upright stance, a large, broad head, binocular vision, binaura
Tawny owl (Strix aluco), left, and western barn owl (Tyto alba), right, belonging respectively to the Strigidae and Tytonidae families
Burrowing owl (Athene cunicularia)
A stamp from the Soviet Union, 1979
The bird family Tytonidae, which includes the barn owls Tyto and the bay owls Phodilus, is one of the two families of owls, the other being the true owls or typical owls, Strigidae. Tytonidae are medi
Male Tyto alba alba (left) and female T. a. guttata barn owls in the Netherlands, where these subspecies intergrade
American barn owl, Canada, with detail of wings and tail feathers