Why do feral pigs grow hair and tusks?

Feral pigs grow hair and tusks due to rapid adaptations when they are released or escape into the wild. According to Sal Di Stefano, when domestic pigs enter a wild environment, they quickly turn feral. This transformation includes growing thick hair and developing tusks, which are essential for survival in the wild. These changes help them adapt to the challenges of their new environment, ensuring better protection and foraging capability 1.