Alternative mating tactics appear to evolve when sexual selection is strong. Because such
conditions are usually observed in species with polygynous or polyandrous mating systems …

Females of many species discriminate among males when choosing a mate and this can
bear indirect and direct benefits including the avoidance of parasite transmission from …

Laboratory studies have shown that vasopressin can influence sociosexual behavior
through its action on the vasopressin 1a receptor (V1aR). There is substantial evidence that …

Highlights•We examined effects of group size and composition on female reproductive
success.•We did not find significant effects in our short-term field seasons.•Females with …

The ability to recognize familiar conspecifics plays an important role at the time of choosing
a mating partner in rodents. A laboratory study using preference test was used in order to …

Characterizing the spatial arrangement of related individuals within populations can convey
information about opportunities for the evolution of kin-selected social behaviors, the …

Intraspecific variation in sociosexual behavior has typically been investigated in the context
of its relationship with environmental factors, but neurogenetic factors can also influence …

Females are generally expected to be selective when choosing their social and sexual
partners. In a previous laboratory study, female prairie voles (Microtus ochrogaster) showed …

Inbreeding negatively affects offspring production and survival in many species, but the
fitness characteristics of adult inbred individuals are rarely evaluated. We examined the …

Vasopressin and its' interactions with the vasopressin 1a receptor (V1aR) are important in
the formation of social attachments and parental behavior in male mammals but there also is …