They resembled the modern Spanish bulldog or maybe a boxer but had more compact ears and shorter legs. In reality, the Bullenbeisser can be an ancestor breed to the modern boxer! Bullenbeissers bred with bulldogs gave rise to boxers. Purebred puppies in many cases are inbred which boosts the probability https://seozdirectory.com/listings12469126/considerations-to-know-about-5-ugliest-dog-breeds