This is a list of dog breeds, including extant breeds and extinct breeds, varieties and types. Now it’s time to choose a breed. This can be a difficult process with lots of factors to consider. To help make your search easier, we have put together a listing of the most popular dog breeds in US. You’ll be able to find pictures, learn about breed history, temperament, common breed diseases and conditions and lots of other interesting facts to help guide you through the process of choosing the right dog!