If you think about it, you can divide dog lovers into two groups: those who prefer cute and cuddly small dogs, and those who are partial to strong and stately big dogs. Sure, all dogs are wonderful, ...

Add Yahoo as a preferred source to see more of our stories on Google. The Mastiff’s ancestor, the Molossus, was primitive man’s best friend over 5,000 years ago. Nowadays, there are more than 14 ...