"Pit bull" refers to a variety of breeds, which inevitably means these dogs are regularly misidentified by shelters and news outlets.
In American Kennel Club's work team, bright, brave Rottweilers have been some of the first aids for the blind, police dogs, and search-and-rescue dogs.
After appearing in Rin Tin Tin and Strongheart, German shepherds, the second most popular purebred dog, became family pals.
Despite their size, bull mastiffs are not loud dogs and may live in modest apartments and suburban backyards.
They have energy to spare, but their destructive tendencies are usually limited to chewing on furniture and digging holes in the backyard.
These popular dogs can trace their ancestors back to the Assyrians in 2500 B.C., where they were often used in war.
Adult wolf hybrids act unpredictablely, and although some owners can raise them, most cannot fulfill their demands.
One of the biggest dog breeds, Akitas may weigh up to 130 pounds, and they can be aggressive against stranger canines.