Wolves and dogs have always lived in close contact in Italy and have presumably mated in the past , the newly worrisome element , in Dr. Boitani 's opinion , is the increasing disparity in numbers .
Which suggests that interbreeding will become fairly common .
Although wolves and dogs have always lived in close contact in Italy and have presumably mated in the past , the newly worrisome element , in Dr. Boitani 's opinion , is the increasing disparity in numbers , which suggests that interbreeding will become fairly common .