The better to see you with - motion parallax in young owls
Owls are not really able to move their eyes in their sockets*, so they have to move their entire heads in a somewhat exaggerated manner to change their field of view. This bobbing and head-swaying motion is called motion parallax, and it helps birds (not just owls) more accurately judge distances.
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*more details on this in “Bobbing for Owls”
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Director: Alan J. Pakula
Stars: Warren BeattyAn ambitious reporter gets in way-over-his-head trouble while investigating a senator's assassination which leads to a vast conspiracy involving a multinational corporation behind every event in the world's headlines.
