Mate choice familiarity

While mate choice for unfamiliar partners might be explained by the fitness benefits of multiple mating, inbreeding avoidance, and favouring rare genotypes, preference for familiar males is also sometimes observed. Why would females choose relatively familiar males as mates, given the benefits outlined above of avoiding such males ... 

Shapiro, L.E., Austin, D., Ward, S.E. and Dewsbury, D.A. (1986) Familiarity and female mate choic ein two species of voles (Microtus ochrogaster and Microtus montanus). Anim. Behav. 34, 90-97. 

Barnard, C. J. and Fitzsimmons, J. (1988). Kin recognition and mate choice in mice the effects of kinship, familiarity and social interference on intersexual interaction. Ani-mal Behaviour 36,1078-1090. 

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