Abstract
:We investigated the natal dispersal pattern between social groups within an urban colony of domestic cats, Felis catus, using both population assignment index for multilocus microsatellite genotypes and behavioural observations. Males had a significantly lower assignment index than females, suggesting a male-biased dispersal between social groups, as expected for a polygynous/promiscuous mating system. Behavioural observations were highly consistent with a male-biased dispersal pattern and also showed that natal dispersal is rare within this colony. Details of the analysis, combined with previous results from this species, revealed that the sexes probably disperse at different spatial scales. Females disperse over greater distances outside the colony, whereas males disperse between social groups within the colony.
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