Why do some creatures have eyes with exposed whites, irises, and dilating pupils, and some have mostly black, with the whites hidden

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Why do some creatures have eyes with exposed whites, irises, and dilating pupils, and some have mostly black, with the whites hidden

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3 Answers

Anonymous 0 Comments

It’s evolutionary, many species view staring at them as a challenge to fight. For example you shouldn’t stare into the eyes of a monkey, having dark big irises means it’s less likely a rival sees you looking at them and starts fighting you.

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