Beastiality with dogs is a disturbing reality, but it exists. Zoo Porn Dog Sex and Zoophilia are two of the most common types of dog-related sexual activities. These activities involve watching or participating in the sexual activities of a dog and a human, usually for the purpose of arousal. While it is illegal in most places and is considered a form of animal abuse, it is still a growing problem, with free sex and free porn videos available on the internet. Unfortunately, these activities are not only dangerous to the animals involved, but can also be damaging to the mental health of those who participate.