Dog and Deer Best Friends Will Put a Smile on Your Face, Guaranteed [VIDEO]

Cross-species friendships are pretty uncommon in the animal kingdom, particularly¬†when neither best friend is human AND one of the two is a completely undomesticated whitetail deer! Even if you hunt deer, or even if you use dogs to hunt deer, you have to admit that this video is ridiculously heartwarming. RELATED: Hilarious Hunting Prank: You’ll Never Believe This [VIDEO] This dog and deer combo became a YouTube sensation when this video was first aired. Since then, a followup video (below) proves that their friendship has stood the test of time.