Rectangular pupils goats give them an overview of 340 degrees without turning his head

We are all accustomed to the fact that the pupils are round, because the round pupils - this is what we see in their own kind. But the goats and most other animals with hooves, the pupils are horizontal slots that accept the expansion of a rectangular shape. This gives the opportunity to see the goats at 320-340 degrees around itself, that is, they see almost everything without the need to rotate the head (for comparison: a person sees at 160-210 degrees).

As well as animals with rectangular eyes can see better at night because of the large pupils, which during the day is very tight, as close in order to restrict the access of light. In addition to ungulates, rectangular pupils found in octopus.



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