Evolution can go in weird directions: Two different courtship rituals
Evolution really is “creative” in the way printing random characters would, given enough time (we’re taking billions of years), produce not only Hamlet, but also all possible variations: parodies of Hamlet, Hamlet the Musical, Hamlet the Rom Com, and every possible work that could ever exist, along with those same works with and without typos. (That process is not very efficient, however—to say the least. Evolution is assisted by natural selection, which does tree-pruning of less effective adaptations.
And look at what evolution has produced in these courtship rituals. Videos via Kottke.org.