bradles0 t1_iy90liy wrote
Reply to comment by the_lusankya in Eli5: Why do birds and fish come in such a spectacular variety of colors and shapes compared to other animals? by thetravelman888
>because most mammals are colourblind
this one has always been weird to me, apes aren't the only mammal that spent a lot of its time finding red berries in a green background, why were we the only ones lucky enough to get trichromatic vision?
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