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Binocular vision

The situation where the fields of view of the eyes overlap, as opposed to 'monocular vision' in which such overlap does not occur. In most types of birds binocular vision is limited, the most notable exceptions being the owls (order Strigiformes). Binocular vision assists in the pinpointing of objects, and so is useful to the latter birds for catching prey, but for most types wide visibility is more important and so monocular vision is better developed.

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From Peter Weaver's Birdwatcher's Dictionary
Copyright © 1981 by Peter Weaver


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