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2029 Views 0 Replies Last post: May 23, 2010 4:12 AM by MrB154 RSS
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May 23, 2010 4:12 AM

Evolution of vision

General observations seem to show that bigger animals have bigger eyes. Is there an explanation for this? Do bigger eyes give the animal any advantages? Do bigger eyes give better image quality, as happens in digital cameras? Is the vision of, e.g. an ostrich superior to that of, e.g. a chaffinch - despite the latter's ability to flit around rapidly among the twigs of trees without collision?

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