November is "Adopt a Senior Pet Month". Senior Greyhounds are the nicest dogs but often the hardest to get adopted. The truth is that most Greyhounds live 10-14 years, and Greyhounds as a breed are one of the healthiest pure-bred dogs. Greyhounds are considered “senior” at 6-7 years of age. Most of them still have good years to give a loving family. There are so many reasons to adopt a senior Greyhound, but today we’re going to look at the top 10.