hmm lots to think about! Yes my girl is spayed, so no worries there.
I think them divorcing each other, or simply being less happy in a trio is the reason I am not sure about this. Okay my pair arent that close, and eventually I will bond them with one or two other bunnies in an attempt to give both of them a close bond, but they seem to be fairly content at the moment.
See if the new boy wouldnt bond with mine, thats not so much of an issue, I would reluctantly rehome him, knowing that at least he is vaccinated and neutered and that I will homecheck, so he is still in a much better position than before and I have done some good.
But if either Annabella or Barney were rejected by the bond, I couldn't rehome them. I made a commitment to Barney, and then to Annabella when they bonded, to keep them and meet their needs. I couldnt rehome them just because I brought in an outsider and upset their bond, because that would be MY doing, not THEIRS. As in they wanted to be together till I interfered. So I would end up either attempting a long bonding process, or trying a quad. I just dont have the space for two pairs without compromising the amount of free-range time.
I guess its just a never-ending circle. And there are reasons for and against. I guess the reason I am so tempted is that Barney and Annabella's bonding was pretty much instant if not strong, they just didnt care much if each other was there and there was no aggression and only a small amount of humping from Barney which was nearly always escaped as hes so slow and clumsy.
A question for you all - if I tried bonding them (once neutered etc) and he was either aggressive or Barney and Annabella showed signs of not being happy with each other, say it was early in the bond (first 2 or 3 days), could I then remove the new boy and rebond my two? Or is it a case of once broken the bond cannot be remade?
Of course the morals of that situation is another dilemma altogether... although he would get another friend eventually with his new home.