Why do some creatures have eyes with exposed whites, irises, and dilating pupils, and some have mostly black, with the whites hidden
In: Biology
It’s believed that our style of eyes are used for nonverbal communication. Interestingly, dogs have more humanlike eyes than wolves, and are also one of the few animals that will deliberately seek out eye contact with humans.
I saw a study talking about how in chimpanzees, the majority either have tan/pale sceleras (“whites”) in their eyes and brown irises, or fairly dark sceleras with light irises.
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