Sex biased Dispersal

Philopatry, tendency to breed in natural home ground. Dispersal not often equal between sexes. Dispersal of one sex away from other stops sibling on sibling inbreeding. Mammals males usually disperse, because female’s reproductive success reliant on nutrients and males’ number of females, females benefit more form familiarity. Birds females disperse more, mating biased of resource defence, males defend resource better to stay and defend good territory to get female.