<Tr> <Th> Notes </Th> <Td> State dog of Massachusetts </Td> </Tr> <Tr> <Td_colspan="2"> Domestic dog (Canis lupus familiaris) </Td> </Tr> <P> The Boston Terrier is a breed of dog originating in the United States . This "American Gentleman" was accepted in 1893 by the American Kennel Club as a non-sporting breed . Color and markings are important when distinguishing this breed to the AKC standard . They should be either black, brindle or seal with white markings . Bostons are small and compact with a short tail and erect ears . The AKC says they are highly intelligent and very easily trained . They are friendly and can be stubborn at times . The average life span of a Boston is around 11 to 13 years, though some can live well into their teens . </P> <P> The American Kennel Club ranked the Boston Terrier as the 21st most popular breed in 2016 . </P>

What kind of breed is a boston terrier
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