Prev 22 of 30 Next
22. Chihuahua
Chihuahua's are the smallest breed of dogs. They are extremely loyal to their human. They are distrustful of people they don't know, and are actually among the top 10 watchdogs recommended by experts. They shouldn't be left alone outside, as they can become prey to hawks and other raptors. Plus, they really just want to be with their human. They do not tolerate being alone, so they make great pets for retirees or people who work from home. Read more about Chihuahuas on There are plenty of Chihuahuas and Chihuahua mixed breeds in shelters. If this is the match for you, check with shelters or rescues and give a dog in need a furever home.