July 31st is National Mutt Day, and mixed-breed dogs deserve the praise. Purebreds are overrated. In fact, mutts tend to live longer and have fewer health problems on average than their pedigreed cousins. Some mixed breeds are even becoming new, recognizable breeds in their own right, like the Goldendoodle, the Cockapoo, and the Labradoodle. It’s awesome that mutts are finally getting so popular. After all, it doesn’t matter where you come from, and these dogs prove that! Here are 30 mixed-breed dogs who are proud to celebrate National Mutt Day!