By Melanie Kramer, Shayna Meliker
This Labor Day, not only do we want to pay homage to the hardworking humans of America, but we also want to celebrate some of the hardest-working animals throughout history.
Take a moment of your holiday to read about these dogs and horses who we're honoring for their important contributions to America. You may have heard the tales of the mail-carrying Pony Express horses or Balto, the brave Siberian Husky who delivered medicine to an Alaska town in dire need of it, but there's so much more to learn about other hardworking canines and equines.Read More on Vetstreet.com:
* 11 Truly American Dog Breeds
* Meet 5 Assistance Dogs Who Are Truly Heroes
* 5 Most Patriotic Animals
Read More »from 4 Working Animals to Honor This Labor Day