Mate selection-a selection for a handicap.
D000818:Animals; D005075:Biological Evolution; D001717:Birds; D004192:Discrimination, Psychological; D005241:Feathers; D005260:Female; D008040:Genetic Linkage; D005838:Genotype; D006824:Hybridization, Genetic; D008297:Male; D010152:Pair Bond; D010641:Phenotype; D011235:Predatory Behavior; D012641:Selection, Genetic; D012723:Sex; D012726:Sexual Behavior, Animal