In The Hitchhiker's Guide to the Galaxy, Douglas Adams says humans consider themselves more intelligent than dolphins because we invented machinery, bombs and war and they did not, while dolphins think they're more intelligent for the same reason. Now add makeup to the list.
Humans do the same, of course.
But we apply the stuff to ourselves, often in dreadfully excessive amounts. We invented mascara. We say we are the smart ones. Dolphins don't mark themselves or others this way. They didn't invent mascara.