I have 4 Flemishes that free roam my back yard. 3 males, and 1 female. 2 of the males are brothers, and the male/female are brother/sister. The 2 brothers are older, but only about 6-7 months old, and the brother/sister are 4-5 months old. They all get along fine, and "burrow" together so to speak. They have clean fresh bowled water every day, fresh pelleted food, free roam of whatever is in the yard (just grass and weeds), and a huge bail of both timothy hay and alfalfa.. they get fresh veggies several times a week, and fruits maybe once a week. They are spoiled!! 2 nights ago we had a really bad storm (thunder was extremely loud) and instead of my rabbits going into their huge pen, they go underneath our Central Air units base.. it's a concrete slab that sits about 16" off the ground. They have made this their "burrow". Well, I came out yesterday to feed everyone, and I noticed Trixie, my female was laying under there, just passed out asleep. I thought it was funny, and just went about the day.. then my parents came over and my dad wanted to see the rabbits, so we went out to see them, and she was still under there.. Ok, maybe she's just really tired.. it wasn't hot out though.. Well, later on my husband goes out with the dog and says "man, trixie is lazy.. she's passed out under the AC." This was HOURS she's been under there.. so I went out and I knew something was wrong. She is a very skiddish rabbit who doesn't like being touched or approached.. she didn't move to get away when I reached my hand in.. She was making faint noises, and I knew she was hurt. Pulled her out, brought her inside, and discovered that her back legs are paralyzed, and she can't urinate on her own.. So, I do a little research, and narrow it down to her getting startled by the storm, and jumping and hitting the concrete. So, I set something up inside for her.. make sure she's hydrated, and eating, and I learned how to expel her bladder. She's not grinding her teeth and she's not whimpering anymore. She's alert, and does try to be active. Ok.. so I tell my husband it's either temporary or permanent, we just have to wait it out to see if it heals.. I come outside today to feed the other rabbits, and her brother Gordon is also having issues with his legs.. He can move them, he just loses balance in his rear and falls over. So, I scoop him up and bring him inside too. **This is NOT head tilt btw** Before I noticed her brother with this issue, I brought Trixie outside so that she could interact with the others and not feel as alone. One of the older males came over (Watson), and he started licking her face and ears and she was fine with it.. He went away, and a few minutes later the other male came over and she started whimpering and making loud type noises. Ok, weird. So I bring her inside. I gave the guys outside some carrots, and Gordon was eating a piece, and the same male came over to him, and Gordon ran off like he was afraid.. This is new behavior for him. Normally he doesn't mind him. So, I narrowed it down to 3 things that could have caused this paralysis: 1. Genetics- as they are brother and sister.. however, would this happen literally a day apart from each other? 2. Poison- I have mushrooms that grow in my yard as of this year, and sometimes I can't always pull them out before they get to them. 3. The older male rabbit being dominant and hurting them? The female was bitten on the neck by him once. However, there are no bites, scratches etc on either rabbits. And he doesn't bother his brother. The LAST thing I EVER want to do is put these guys down. I plan on making them carts should this be permanent. I just am so lost as to what actually happened.. Help?