Boston Terrier
Average Life Span: 11 - 13 years
Weight: 10 - 25 pounds
Bouvier des Flandres
Average Life Span: 10 - 15 years
Weight: 70 - 110 pounds
Boxer
Average Life Span: 8 - 10 years
Weight: 50 - 70 pounds
Boykin Spaniel
Average Life Span: 10 - 14 years
Weight: 25 - 40 pounds
Bracco Italiano
Average Life Span: 10 - 12 years
Weight: 55 - 88 pounds
Briard
Weight: 70 - 90 pounds
Brittany
Average Life Span: 12 - 14 years
Weight: 30 - 45 pounds
Bull Terrier
Bull Terrier (Miniature)
Average Life Span: 11 – 14 years
Weight: 25 - 33 pounds
Bullmastiff
Average Life Span: 8 - 12 years
Weight: 100 - 130 pounds
Cairn Terrier
Average Life Span: 14 - 15 years
Weight: 13 - 14 pounds
Cane Corso
Average Life Span: 10 - 11 years
Weight: 88 - 120 pounds
Cardigan Welsh Corgi
Weight: 25 - 38 pounds
Catahoula Leopard Dog
Weight: 50 - 95 pounds
Caucasian Shepherd (Ovcharka)
Weight: 80 - 100 pounds
Cavalier King Charles Spaniel
Weight: 13 - 18 pounds
Chesapeake Bay Retriever
Average Life Span: 10 - 13 years
Weight: 55 - 80 pounds
Chinese Crested
Weight: 10 - 13 pounds
Chinese Shar-Pei
Average Life Span: 10 years
Weight: 45 - 60 pounds
Chinook
Average Life Span: 12 - 15 years
Weight: 50 - 90 pounds
Chow Chow
Weight: 40 - 70 pounds
