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Owls are divided into two families: the true (or typical) owl family, Strigidae, and the barn owl and bay owl family, Tytonidae. [2] Owls hunt mostly small mammals, insects, and other birds, although a few species specialize in hunting fish. They are found in all regions of the Earth except the polar ice caps and some remote islands.
Great horned and barred owls compete with spotted owls for food and space in some areas. Barred owls have a negative effect on northern spotted owl survival and fecundity. [4] There are also negative effects when Barred owls live in the same area as Spotted Owls. [20] Spotted owls are nocturnal, sit-and-wait predators. They often hunt from a ...
Many different types of owls have some ability to adopt a "concealing posture", also known by the German word Tarnstellung, [6] in which they squeeze and thin their body to look like a broken tree branch, and some types may also narrow their eyes to slits and fold a wing sideways across their chest in a Dracula-like manner to hide the lighter ...
The 20 species of genera Tyto and Phodilus, the barn owls, are in family Tytonidae. The other 234 species are in family Strigidae, the "typical owls". Five species on the list are extinct; they are marked (X). [1] For a partial list with additional information, see the article "List of Strigiformes by population".
The great grey owl (Strix nebulosa) (also great gray owl in American English) is a true owl, and is the world's largest species of owl by length.It is distributed across the Northern Hemisphere, and it is the only species in the genus Strix found in both Eastern and Western Hemispheres.
[8] [74] More similar owls such as the Eurasian eagle-owl and the great horned owl attain a fairly pale, sometimes white-washed look in their northernmost races. These species do not normally breed nearly as far north as snowy owls but overlaps certainly do occur with snowy owls when the latter owl sometimes comes south in winter.
Barn owls, as the name suggests, often prefer open habitats like agricultural fields, which is why their boxes are often located on the sides of barns. It's recommended these boxes are placed ...
Screech owls are typical owls belonging to the genus Megascops with 22 living species. For most of the 20th century, this genus was merged with the Old World scops owls in Otus , but nowadays it is again considered separately based on a range of behavioral , biogeographical , morphological , and DNA sequence data.