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They are able to rotate their head up to 270 degrees, lock onto prey, and launch a silent attack. Owls lock onto prey by using sound localization. [ 2 ] Sound localization is an animal’s ability to identify the origin of a sound in distance and direction. [ 3 ]
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 the beak and feet that act as "feelers". Their far vision, particularly in low light, is exceptionally good. Owls can rotate their heads and necks as much as 270°.
Owls are also able to rotate their heads by as much as 270 degrees in either direction without damaging the blood vessels in their necks and heads, and without disrupting blood flow to their brains. Researchers have found four major biological adaptations that allow for this unique capability.
#27 Owls Have Tube Shaped Eyes, Rather Than Spherical Ones This makes it difficult to move the eyes in their sockets, but is counteracted by the ability to rotate their heads 270 degrees in either ...
A recent BirdNote podcast helped to explain exactly why the little creatures bob their little heads up and down.
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Owls have very large eyes for their size, 2.2 times greater than the average for birds of the same weight, [14] and positioned at the front of the head. The eyes have a field overlap of 50–70%, giving better binocular vision than for diurnal birds of prey (overlap 30–50%). [ 77 ]
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.