I was inspired by Colin Farrell in the fact that he's Irish and has freckles but with black hair. I'm a bunch of different things, Irish, Polish, Native American, and French, but I wanted to tap into that Irish side and be freckle-y with black hair, so that's what I did.
The human young must learn to perceive these affordances, in some degree at least, but the young of some animals do not have time to learn the ones that are crucial for survival.