Control and Function of Carotenoid Coloration in Birds: Selected Case Studies - Carotenoids: Physical, Chemical, and Biological Functions and Properties - page 510

Wolfenbarger, L. L. 1999a. Red coloration of male northern cardinals correlates with mate quality and territory
quality. Behav. Ecol . 10: 80-90.
Wolfenbarger, L. L. 1999b. Is red coloration of male northern cardinals benei cial during the nonbreeding sea-
son?: A test of status signaling. Condor 101: 655-663.
Wolfenbarger, L. L. 1999c. Female mate choice in northern cardinals: Is there a preference for redder males?
Wilson Bull . 111: 76-83.
Zahavi, A. 1975. Mate selection—A selection for a handicap. J. Theor. Biol . 53: 205-214.
Zahn, S. N., and Rothstein, S. I. 1999. Recent increase in male house i nch plumage variation and its possible
relationship to avian pox disease. Auk 116: 35-44.