For millions of years, dogs have remained constant companions of man. Created by the aggressive and formidable gray wolf tens of thousands of years ago, the domestic dog now lives in many homes around the world. Where in the distant past the domestic dog was bred as a guard animal, beast of burden, and even a source of food, today's dogs are bred for a much more endearing purpose: companionship and love. Finding a pet dog that is more of a joy than a chore is necessary when you ask: How much is that puppy in the window? “The American Kennel Club recognizes 150 different dog breeds and that number can rise to more than 400 if you count mixed breeds” (Sarah McCurdy). So how does a family decide on just one particular dog when there are so many Different breeds? Understandably, choosing the right dog for a family may require some research. When choosing a family dog ​​you need to take into consideration how much maintenance and exercise the dog needs , has persistent health problems or requires professional care may not be the desired fit for a busy or poor family. The pet's temperament is also an important factor when deciding on a breed. An aggressive or easily startled dog is not a pet favorable because a frightened or provoked dog can be potentially dangerous or even deadly. Having a pet dog is something most families do for love, companionship and to teach their children responsibility, and according to thebostonchannel.com the five dogs. more suitable for families with children are the Newfoundland, the Pug, the Keeshond, the Golden Retriever and Labrador Retriever (Sarah McCurdy). Fifth on the list of best family dogs is the Newfoundland. According to Sara......middle of paper......difficult choice and one that can help decide whether that puppy in the window is a bitter territorial aggressive or a new member of the family to look after and love.Works Cited"American Dog Club." American Kennel Club - akc.org. 2011. The American Kennel Club, Inc. February 16, 2011 .Dan. "Best Dogs for Families: 10 Breeds for Homes with Children | Dog Thoughts. The Dog Guide: Helping You Find Your Perfect Dog. © The Dog Guide, May 5, 2008. Web. February 23, 2011. .McCurdy, Sarah. “What are the 5 best dogs for your family? - Family News Story - WCVB Boston." Boston News, Massachusetts News, Weather & Sports, TV Channel 5 - WCVB TheBostonChannel.com. 2011. Hearst Stations Inc. February 16. 2011 .