So I am doing my research, I have a Sulcata but in the future plan to also keep Redfoot and Yellofoot tortoises, I have a few questions for u keepers.. First is I know there are a few different species of both, there are redfoots, cherry heads and then the larger species of redfoot, can't spell the name and then theres yellow foot and then the larger species of the yellowfoot, these are the different species I've read of so far.. is there a personality difference between the species? Is there a species that does not do well in groups? Also I've read that yellowfoots are a more delicate species and only for the more advanced keepers, but that redfoots are suitable for beginners and that both redfoots and yellowfoots can be kept together and under the same care, thats kind of confusing, can anyone clear that up?