Most Popular Dog Breeds & their Unique Characteristics

Australian Shepherd

This is one of the most popular dog breeds in the United States. It is known to be related to several other breeds including the Border Collie, German Shepherd, and the Shetland Sheepdog. It is friendly, affectionate, playful, and highly-trainable. It comes with black, red, blue merle, red merle, or tricolor coat. It usually lives within 13 to 15 years.