FYI horses have the biggest eyes of any land mammal but they can only see blues and greens which is why you very rarely see them playing snooker.
Interesting fact: Lama’s are dumb-dumbs. That’s a pretty weird eye though ain’t it?
Most birds have pretty awesome vision to make up for their rubbish sense of smell. Not content with having three types of colour receptors like us, they have four, meaning they can also see light in the UV spectrum which must make raves an absolute nightmare for them.
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