I think BnB’s mom made the best suggestion, put something that he can’t move on top of that space. I know it’s annoying but hopefully it will do the trick, and only be for the short term. I (& I’m sure we all do) know your frustration, that’s why bunny’s are cute! So we can’t stay angry at them. Seriously, my Henry is gonna be the end of me, but I tolerate his bad behaviour in a way I would never from any of my children and dogs, cause he’s not as bright (though I reckon he is, he’s just playing me???? doh!) and I take into account a lot of his behaviour is just natural to being a rabbit and it can’t be changed. I chose to have him – so now I’m stuck with him, dam! ha ha ha….
Like I said – good thing Henry is soooooo cute! I bet Floyd gets an 11 out 10 for the cutie factor and that will (eventually) outweigh his naughtiness. As the weeks, months go by he should settle? Henry is 9 months old (still a baby) and he has gotten a little better, so there is hope. Good luck! & all the best. Cheers, Henry’s mum.