Frequency distributions of natal dispersal distances for (a–d) males and (e–h) females that either (a,e) outbred or were involved in close inbreeding of the following types: (b) fathers from father–daughter matings, (c) brothers from brother–sister matings, (d) sons from mother–son matings, (f) mothers from mother–son matings, (g) sisters from brother–sister matings and (h) daughters from father–daughter matings.