Like any other animal, deer are susceptible to a host of contagious diseases, illnesses, and nasty parasites. While only a small percentage of deer actually fall prey to these ailments, some of these diseases are very dangerous.

Even though most deer illnesses are harmless to humans, it is still important to be educated about them. Hunters frequently discover that the animals they harvest are less than healthy, and this quick video guide will help you recognize signs of five of the most common deer diseases.