So, even large cages are too small for a bun to spend all of its time in. Do you give your rabbits exercise time in a larger area? I think that exercise time in a bunny proofed room for several hours per day is even more important than the size of the cage. Rabbits need a large area to really get up to full speed a run, but they don’t need 24/7 access to it. Usually giving about 4-6 hours a day (split between morning and evening) is enough for happy bunnies, but of course more is better. I know there are a ton of social media accounts that make it seem like all rabbits should have a bunny room or 100% free roam, which is just not true, but they do need to have exercise each day in a larger area.
The most important part of a rabbit diet is grass hay. I don’t think it’s necessary to give rabbits expensive toys or treats for them to be perfectly happy, but you do need to make sure they are getting enough hay and enough exercise. Pellets should be a small part of the diet, and of course they range in price, but since you feed such a small amount of them it really shouldn’t be a source of financial strain.
The bald spot could be from over grooming, or excessive mounting by one of the bun. Are they both neutered/spayed? Sometimes in spring there can be some excessive mounting even in neutered/spayed rabbits.
The move outside could be very stressful and dangerous depending on where you are. Have your rabbits been vaccinated against RHDV2? It’s been spreading and in present in most parts of CA now. That would be my first course of action if they are not vaccinated (it also needs to be boosted yearly). If it gets very hot (over 90F), being in the shade with a tile will not be enough. You’d need to constantly provide frozen water bottles for them to lay next to. Any temp over 85F puts a rabbit at risk of heat stroke.
If this would just be a temporary thing, it could be better to reach out to rabbit rescues in your area to see if they can help you. They may be able to have a foster home take your bunnies while you sort out your housing situation. I recently had to do this where I live because my landlord freaked out (even though our rabbits were in our lease), so the rescue near us totally saved us and took care of our rabbits for over a month.
While outside, you will need to worry about predators, insects (mosquitos can spread Myxomatosis, flies can cause fly strike and spread RHDV2), weather (hot, cold), and housing. They still will need daily exercise, which could be harder to do.
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The answers provided in this discussion are for general guideline purposes only. The information is not intended to diagnose or treat your pet. Seek the advice of your veterinarian or a qualified behaviorist.