In general, pit bulls aren’t aggressive with people but are “less tolerant” of other dogs than many other breeds, says Pamela Reid, PhD, vice president of the ASPCA’s Animal Behavior ...

Lutz Heck, who ran Berlin's main zoo, crossed Spanish fighting bulls with other breeds and, along with Heinz's cows, the resulting cattle were declared to be the resurrection of the aurochs.

This breed, known as an American Pit Bull Terrier or just Pit Bull is a fighting dog first developed in the 19 th century in England, Scotland and Ireland from a bulldog and a terrier.