Minecraft wiki entry for Farm_Monsters, associated text: The devil cow or the infernal cow is a red variant of the regular cow with bigger horns and a angry face. The mummy sheep is a undead variant of the sheep that is wrapped in bandages. The skeleton pig is a undead variant of the pig that has it's bones appearing. The hostile chicken has the same appearance as the regular passive chicken. The wolf monster or werewolf has blue fur, fangs, red eyes, and ripped brown clothing. It is never shown as a passive mob as it's passive variant resembles a human in the Halloween Edition mash-up pack.