Doucet & Montgomerie (2003) Multiple sexual ornaments in satin bowerbirds: ultraviolet plumage and bowers signal different aspects of male quality. Behavioral Ecology. 14: 503-509.
Cratsley & Lewis (2003) Female preference for male courtship flashes in Photinus ignitus fireflies. Behavioral Ecology. 14: 135-140.
Make a model, either verbal, mathematical or graphical, that explains female choice with respect to one of these two papers. Your choice of which paper.