Crystal is forever changing color when i first bought her she was pure white with a light grey spot on her nose and head after her first moult the grey on her nose grew bigger and eventually spread across her face after about 18 months she then started getting dark grey coloring on her bum and around her tail and shes moulting now and is devaloping large grey patches around her back it seems shes getting more grey everytime she moults lol anyone elses rabbits changing color everytime they have a moult?