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The researchers used five barn owls and studied how well the owls could localize sounds when the facial ruff was completely intact, when the auricular feathers were removed, when the reflector feathers were removed, and when all of the feathers on the head were removed. The owls that had a fully intact facial ruff were able to hear a vast range ...
Owls have binocular vision, but they must rotate their entire heads to change the focus of their view because, like most birds, their eyes are fixed in their sockets. Owls are farsighted and cannot clearly see anything nearer than a few centimetres of their eyes. Caught prey can be felt by owls with the use of filoplumes—hairlike feathers on ...
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 ...
Burrowing owls have bright eyes; their beaks can be dark yellow or gray depending on the subspecies. They lack ear tufts and have a flattened facial disc. The owls have prominent white eyebrows and a white "chin" patch which they expand and display during certain behaviors, such as a bobbing of the head when agitated.
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. They are medium to large owls with large heads and characteristic heart-shaped faces. They have long, strong legs with powerful talons. They also differ from the ...
This owl has a rather notable defense mechanism. When faced with a similar-sized predator (like another owl slightly larger than it), the bird flares its wings to appear larger. When faced with something much larger than itself (such as an eagle), it pulls its feathers inwards, elongates its body, and narrows its eyes to thin slits.
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It is 30–38 cm (12–15 in) long and weighs from 320 to 546 g (11.3 to 19.3 oz). [10] Its head, back, wings and tail are brown with black stripes and small markings while its underparts are buff-coloured with heavy black streaking on the breast. The facial disk is pure white with a thin black border. [11]