I think your point about the wild dogs is that they probably have a shorter life span overall and it is survival of the fittest in the environment available. All wild animals fulfill their role as long they live long enough to reproduce and continue the species. Regards feral type dogs who hang around human settlements, they might not do too much actual hunting, most of thier food might come from scrounging in rubbish from the humans. The function bred dogs that we aim to keep are nurtured, trained and hopefully wormed etc in order to thrive successfully for a long time, rather than just su