Sire hasn't a lot of bull I think it was a collie grey x bull grey that made the sure to the pups so shouldn't be looking at huge heads on the pups I thought you wouldn't really see it as there was not a lot of bull in the sire I have purchased one of these pups sire and dam are doing there job both sire and dam are 5 years + what you guys think I will upload a picture the lady said she would send one a week and anything you would like to ad or say about what Iv wrote please do as we all never stop learning