Thanks so much! I actually have another male chinchilla and he also has a critter nation cage and I have taken the divider out of the cage and he has lots of ledges to get on and a bridge. I have read though that pregnant females shouldn't climb on high up ledges so I wasn't sure what to do about ledges. The ladders do have ramp covers on them and I have sewn the top of the ramp cover up because my other chinchilla had actually broke his leg on a ladder so am hoping to get these ladders out of their cage ASAP. The picture attached is a picture of my single male chins cage (have since added a long hammock on the one side beside of the ladder so will catch him if he falls), doubt this would be good for the pair though since she might be pregnant that was why I was trying to figure out what I should do with the cage. According to the lady I got them from they have been back together for a few months and she said she is probably a month out from having them if she is actually pregnant.