While that is true of trying to introduce new species to predate over-populated species (or really any novel species introduction), there is a long history of h

While that is true of trying to introduce new species to predate over-populated species (or really any novel species introduction), there is a long history of humans successfully managing their own predation to help balance over/under populated species. Obviously we have had failure in this area too but it we do know it is possible for us to do it and improve things.