This video from 2009 has recently gone viral only now, thanks to being shared by DailyPicksAndFlicks, ShareA, and TastefullyO. Dogs are really just domesticated wolves over centuries of time, and they still have traces of wolf instinct inside. Here, a cute little puppy dog hears wolves howling from an Internet video. After many moments of contemplating the sound, the pup lets out an adorable reciprocal howl.