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Taxanomy
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Owls
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Taxanomy
Birds
Night Birds
Owls
Species
of Owls
Species
72
Owls have large forward-facing eyes and ear-holes; a hawk-like beak; a flat face; and usually a conspicuous circle of feathers, a facial disc, around each eye. The feathers making up this disc can be adjusted in order to sharply focus sounds that come from varying distances onto the owl's asymmetrically placed ear cavities. Most birds of prey sport eyes on the sides of their heads, but the stereoscopic nature of the owl's forward-facing eyes permits the greater sense of depth perception necessary for low-light hunting. Although owls have binocular vision, they must turn their entire head to change views. Owls can rotate their heads and necks as much as 270 degrees in either direction. As owls are farsighted, they are unable to see clearly anything within a few centimeters of their eyes. Caught prey can be felt by owls with the use of small hair-like feathers on the beak and feet. Their far vision, particularly in low light, is exceptionally good. The smallest owl is Elf Owl [13 cm] and the largest owls are two of the eagle owls; the Eurasian Eagle Owl and Blakiston's Fish Owl [72 cm].Owl eggs usually have a white color and an almost spherical shape. Eggs are laid at intervals of 1 to 3 days and do not hatch at the same time. This fact accounts for the wide variation in the size of sibling nestlings. Owls do not construct nests, but rather look for a sheltered nesting site or an abandoned nest in trees, underground burrows, or in buildings, barns and caves.
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Andaman Hawk-owl
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Andaman Masked Owl
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Andaman Scops-owl
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Ashy-faced Owl
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Asian Barred Owlet
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Balsas Screech-Owl
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Bare-legged Owl
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Bare-shanked Screech-Owl
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Barn Owl
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Barred Owl
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Bearded Screech-Owl
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Black-and-white Owl
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Boreal Owl
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Brown Fish Owl
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Brown Hawk-owl
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Brown Wood Owl
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Buffy Fish-owl
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Burrowing Owl
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Central American Pygmy-Owl
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Colima Pygmy-Owl
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Collared Owlet
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Collared Scops-owl
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Costa Rican Pygmy-Owl
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Crested Owl
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Cuban Pygmy-Owl
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Dusky Eagle-owl
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Eastern Screech Owl
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Elf Owl
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Eurasian Eagle-Owl
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Ferruginous Pygmy-Owl
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Flammulated Owl
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Forest Owlet
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Fulvous Owl
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Great Gray Owl
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Great Horned Owl
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Himalayan Wood-owl
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Hume's Hawk-owl
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Indian Eagle-owl
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Indian Scops Owl
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Jamaican Owl
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Jungle Owlet
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Little Owl
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Long-eared Owl
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Mottled Owl
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Mottled Wood Owl
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Mountain Scops-owl
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Nicobar Scops-owl
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Northern Boobook
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Northern Hawk Owl
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Northern Pygmy-Owl
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Northern Saw-whet Owl
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Oriental Bay-owl
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Oriental Scops-owl
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Pacific Screech-Owl
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Pallid Scops-owl
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Puerto Rican Screech-Owl
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Short-eared Owl
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Snowy Owl
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Spectacled Owl
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Spot-bellied Eagle-owl
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Spotted Owl
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Spotted Owlet
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Striped Owl
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Stygian Owl
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Tamaulipas Pygmy-Owl
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Tawny Fish-owl
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Tawny Owl
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Tropical Screech-Owl
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Unspotted Saw-whet Owl
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Vermiculated Screech-Owl
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Western Screech-Owl
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Whiskered Screech-Owl
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