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Several types of owls are crepuscular—active during the twilight hours of dawn and dusk; one example is the pygmy owl (Glaucidium). A few owls are active during the day, also; examples are the burrowing owl (Speotyto cunicularia) and the short-eared owl (Asio flammeus). Much of the owls' hunting strategy depends on stealth and surprise.
Cross sectioned great grey owl specimen showing the extent of the body plumage, Zoological Museum, Copenhagen Skeleton of a Strigidae owl. While typical owls (hereafter referred to simply as owls) vary greatly in size, with the smallest species, the elf owl, being a hundredth the size of the largest, the Eurasian eagle-owl and Blakiston's fish owl, owls generally share an extremely similar ...
Red owl: Tyto soumagnei (Grandidier, A, 1878) 10 Western barn owl: Tyto alba (Scopoli, 1769) 11 American barn owl: Tyto furcata (Temminck, 1827) 12 Eastern barn owl: Tyto javanica (Gmelin, JF, 1788) 13 Andaman masked owl: Tyto deroepstorffi (Hume, 1875) 14 Ashy-faced owl: Tyto glaucops (Kaup, 1852) 15 African grass owl: Tyto capensis (Smith, A ...
Spotted owl home ranges are generally large but of variable size, with extents of 661–14,169 acres (2.67–57.34 km 2), depending on subspecies, habitat, and prey availability. Home ranges are smaller in the breeding season than in the nonbreeding season, and females have larger home ranges than males.
The great horned owl is among the world's most adaptable owls or even bird species in terms of habitat. The great horned owl can take up residence in trees that border all manner of deciduous, coniferous, and mixed forests, tropical rainforests, pampas, prairie, mountainous areas, deserts, subarctic tundra, rocky coasts, mangrove swamp forests ...
The barred owl is an owl species native to the Eastern United States, but has invasively expanded west into the habitat ranges of the northern spotted owl. Invasion of barred owls into the northern spotted owl’s habitat has occurred recently, with all of northern spotted owl territory now also inhabited by the barred owl. [31]
The Bengal eagle-owl (Bubo bengalensis), also widely known as the Indian eagle-owl or rock eagle-owl, is a large horned owl species native to hilly and rocky scrub forests in the Indian Subcontinent. It is splashed with brown and grey, and has a white throat patch with black small stripes.
A burrowing owl makes a home out of a buried piece of pipe. A. c. floridana by its burrow in Florida. The burrowing owl is endangered in Canada [30] and threatened in Mexico. It is a state threatened species in Colorado and Florida [31] and a California species of special concern.