Visual Perception

See The World Through Wild Eyes

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Animals see the world in myriad ways. Eagles pick out their prey with keen, predatory vision, and the mantis shrimp may glimpse colors that humans can't name. Take a look through some truly wild peepers:

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Key Facts In This Video

  1. The most simple eyes, such as a flatworm's, differentiate between light and dark. 00:36

  2. The development of eyes can be categorized into four stages, from simple to complex. 00:48

  3. The most advanced eyes have high-resolution vision, and rely on lenses and corneas to sharpen their view of the world. 01:26

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Key Facts In This Video

  1. Due to the shape of their retinas, cats see a more muted world than humans. 00:31

  2. Tarsiers have the largest eyes in proportion to body size of any mammal. 02:12

  3. Some species of birds of prey can spot their prey from 3 kilometers (1.9 mi) away. 04:05

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Key Facts In This Video

  1. The human eye has about 6 million cone receptors. 00:50

  2. Dogs can't perceive the color red. 01:59

  3. Dogs have better night vision than humans. 02:33

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