“people like Richard Prum at Yale, who's written a wonderful book called The Evolution of Beauty, are saying let's have a fourth go at persuading the biological world that Darwin was right here…”
Why: It argues that beauty is something birds appreciate for its own sake.
The Evolution of Beauty by Richard O. Prum
Guest on EconTalkBird Brains, Bird Sex, and All Kinds of Beauty (with Matt Ridley)