Trying to create different 'tribes' in the same save file gets annoying- Especially if you have feuding packs! Why would they eat from the same food source, and why would the same tribe stay together forever, and not split at least once in their history? There will be arguing creatures about the safety and path of the tribe. Carnivores, omnivores, herbivores; many creatures live different lifestyles. There could be a button next to your save file. It could look like an arrow or button