Data from: Male age mediates reproductive investment and response to paternity assurance

Kyle M. Benowitz, Megan L. Head, Camellia A. Williams, Allen J. Moore & Nick J. Royle
Theory predicts that male response to reduced paternity will depend on male state and interactions between the sexes. If there is little chance of reproducing again, then males should invest heavily in current offspring, regardless of their share in paternity. We tested this by manipulating male age and paternity assurance in the burying beetle Nicrophorus vespilloides. We found older males invested more in both mating effort and parental effort than younger males. Furthermore, male age,...
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