Dogs can be a mans best friend.  All of these dogs can also be working dogs.  On this site about 3 types of dogs.  The first dog discussed is the German shepherd, you can learn all about this special breed.  Another breed you can learn about is the Boxer, which is often mistaken for a pit bull, but it is not.  A Boxer is a totally different type of breed of dog.  The last breed I will be talking about is the Labrador retriever.  These dogs are often a big help to all people, you can learn all about this very special breed as well.  If you are looking for a family pet, or a best friend, or even a working dog these are the breeds you should consider.