The American Pit Bull Terrier--APBT is a purebred dog, recognized as a breed and registered by the United Kennel Club, the second largest all-breed dog registry in the country. The American Staffordshire Terrier--AmStaff is registered and recognized by the American Kennel Club. An AmStaff can also be registered with the UKC under the name "American Pit Bull Terrier". As far as this site is concerned, APBTs and AmStaffs are the same dog behaviorally and historically.
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