Uncovering Why Animal Eyes Have Different Shapes (1 of 2) (VIDEO)

American Association for the Advancement of Science (AAAS)

Caption

This is a video explaining the hypothesis for horizontally elongated pupils. Such pupil orientation offers a functional visual advantage for the lateral-eyed grazers who have such pupils. This material relates to a paper that appeared in the Aug. 7, 2015, issue of Science, published by AAAS. The paper, by M.S. Banks at University of California, Berkeley in Berkeley, CA, and colleagues was titled, "Why do animal eyes have pupils of different shapes?"

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[Credit: Created by Gordon D. Love]

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