fur pulling

Hi I have a mini lop rabbit that is expecting her first litter. She was bred on the 26th April making her 33 days pregnant. She didn’t build nest but last night (day 32) when I went to check on her at 2:30am she was pulling out some fur. She had the fur scattered but I placed it in the nest box...

We have 2 rabbits, 1 that we got like in 2019 or starting 2020? n one that we got in October 2020. They're.. Kinda adults? Idk. Both are females. Since we got them they always hump and such, we didn't do much about it.. But lately they have been pulling out each others fur out when humping.. I...