British breed developed from St. John's water dogs from Newfoundland. Imported to Europe in 1830s by Earl of Home and his family. Established by Malmesbury, Buccleuch, and Home in 1880s. Recognized by Kennel Club in 1903, AKC in 1917
Originates from Croatia's Dalmatia region. First documented in 1375 by Bishop Peter of Đakovo. Used as hunting and carriage dogs in early history. Became popular through Disney's 1961 animated film franchise
Dogs were domesticated from wolves over 14,000 years ago. First domesticated species by humans before agriculture. Genetic studies show dogs diverged from wolves 27,000-40,000 years ago
Doberman Pinschers were Marine's official dogs during WWII. Mastiffs are oldest dogs, dating back to 55 BC. German Shepherds excel in tracking and drug-sniffing. Rottweiler originated in Roman Empire for livestock protection. Siberian Huskies pull sleds and have thick undercoats
Approximately 65 million households in the United States own dogs. There are approximately 360 dog breeds in the United States. AKC regularly ranks the most popular dog breeds in the U.S
Breed, sex, genetics, diet, and exercise influence puppy size. Growth rate varies by breed and size category