Release most domestic animals in a forest and they will be gone within the year. Cows? Eaten. Chickens? Extra Eaten. But not pigs. Pigs *revert* — they survive and each generation is more close to some lost wild boar ideal form than the next. Why are pigs different? Are they less domesticated? Is it the omnivory? Is it their intelligence?
In a few decades people are saying they need power weapons to protect their families from the pigs. What the heck?