Why be is the visual sense of all animal go-between the most excellent?

The mankind can not be the animal with the most excellent visual sense, before be being connected even a few are not discharged on. Inspect in night on than crossing a cat, avianer than passing on colour resolution, integrated and character, the leather skin shrimp of people love is the animal that the vision counters a day more. The animal that a few visions introduce to exceed a god to everybody below ~

Tarsier is primate of sex of travel of a kind of night, basically live between the rain forest of southeast Asia. Their bodily form has sciuroid volume only, but the biggest eye in having mammal however / bodily form scale -- according to this one scale, human eye will have grapefruit volume. Their eyesight special acumen, nocturnal eyesight is very powerful more, and they can see ultraviolet light possibly still. Do not cross them to go as general night sexual animal is same, weaker to colorific resolution.

You of king acerbity oar is having the biggest eye in animal bound -- the diameter can amount to 30 centimeters, this makes them OK below the offing in a darkness 2000 meters of place catch hunt freely. And they have stereo visual sense, can judge the distance of prey. The most magical is, take oneself in their eye " hand report " , can give out forward light, let them can enlighten the prey of ahead.

Avian people the animal that dispute often depends on a vision, so avian people vision special also acumen. A lot of avian have 4 kinds of visual senses (have 4 kinds to experience colorific to inspect awl cell, the mankind has 3 to plant only) , can see more rich color -- for instance day goes of the gender avian can see ultraviolet ray more, even the scientist thinks, avian people can see earthly magnetic field, can undertake Sunday run migrates well and truly thereby. A lot of avian far-sighted ability are very outstanding also, Zuo (Kuang) the 6-8 that the far-sighted force that waits for bird of prey is the mankind times.

In the color in human eye drab avian, be in avian people the likelihood in the eye glows.

What introduce finally is a kind of crustacean animal -- the leather skin shrimp that people often has. The photograph is more trichromatic than having only at the mankind vision, leather skin shrimp people have 12 kinds of color to become aware, they can see the light that the mankind such as ultraviolet ray, infrared ray, polarized light cannot differentiate. And their eye cent is 3 parts (have " 3 eye vision " ) , and every eye has the capacity that experiences depth of field -- if see a thing with an eye only,this means them, they also can accurate judgement is apart from -- and to the mankind, must see a thing at the same time with two eyes ability is OK.

The leather skin shrimp that has 12 kinds of color to become aware perhaps can see more flowery world.

Article picture comes from at the network.

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