I love this concept. I like coming up with strategies. I see MC as a mean enforcer like The Big Bad Wolf in the Wolf Amoung Us games.
I think that since a new society based on humans is forming, all of the species specific male and female societal differences can be largely ignored. But, the biological aspect should be retained.
[details=rambles] Both herbivore and carnivore will starve if carnivores aren’t allowed to eat meat. The herbivores would suffer from overpopulation and lack of food due to that and no one would be happy. So, the issue is creating a system of prey harvesting that doesn’t lead the herbivores to riot.
Birth procedures, dating, and sexuality would play an important role.
The MC could tell the prey to be like China and limit the number of children to two per female and all extra young could be eaten by carnivores. But, prey culture is heavily rooted in having a lot of kids and that would make the prey unhappy, although they wouldn’t have to worry about their two children surviving to adulthood.
Sexuality could be targeted. The encouragement of same sex couples, interspecies relationships, and other things that don’t result in children would fix the prey overpopulation problem while resulting in less prey opposition because they have more freedom. (stricter reins on mating could accomplish the same thing, but would probably have greater opposition given prey mating rituals). This, by itself, does not address the predators getting fed.
The animals could starting hunting humans as the new prey, but the animals wouldn’t immediately be technologically advanced enough for this. Criminals could be fed to predators (or the criminals could be forced to mate and their offspring kept as a constant food suply), but I don’t think this is a good idea as crime would probably be low and mostly done by predators who killed other animals. The most useless species could be kept as a good source, but this is bad because snakes who have no limbs to work with and are only capable of talking are obviously the most useless in the new world.
The beat way to deal with the predators, in my opinion, is to employ them. They shall be the doctors and the undertakers. They can clear the land of dead, injured, and those too old to work. The scavengers would like this, but those who prefer to hunt and don’t like an easy meal might have a problem. This is where the encouragement of sexual freedom comes in; the predators can fufil their needs in concenting, non-lethal predator prey relationships. [/details] And, they all lived happily ever after.