Domestic pigs are weird because in just a few weeks of being released into the wild they go completely feral.
Domestic pigs also interbreed with wild boars at a rate dramatically greater than feral domestic dogs, wolves, coyotes, jackals, and dingos do in the wild.
These do better in the cold than the ones down south.
Winters have been keeping the other ones from moving up.
Domestic pigs are weird because in just a few weeks of being released into the wild they go completely feral.
Domestic pigs also interbreed with wild boars at a rate dramatically greater than feral domestic dogs, wolves, coyotes, jackals, and dingos do in the wild.