You don't find people the size of insects or giraffes; humans are all roughly the same size. The same is true of most species. There isn't a huge difference between the biggest and the smallest.

Find tips for selecting the right dog breed size for your lifestyle and learn about the importance of training and socialization.

A study of more than 25,000 U.S. dogs and 238 breeds has linked dog size to varying patterns of risk for health conditions over the course of a dog's lifespan. A study of more than 25,000 U.S. dogs ...

Source: SC Psychological Enterprises Ltd. The old saying goes that you can't judge a book by its cover, suggesting that first impressions based upon the look of something don't give you much ...