Good question. I found where the creatures are saved: C:\Users\YOUrPCUserName\AppData\LocalLow\Keiwan Donyagard\Evolution\EvolutionSaves
But when I copy, paste or edit the creature file it no longer loads in Evolution. :(
On the topic of manually editing save files: Here's a fantastic video that offers a lot of insight into how the save files are structured and how you can even edit them by hand if you know what you're doing.
