I have a year old female and approx 14 week old female and the last couple of days i have noticed that the younger one is really pestering Twitchy (the eldest). Like virtually glued to her side and this morning when i put them in their run before i came to work i noticed Pepper (youngest) trying to hump Twitchy. I know it is spring and all that but is this normal behaviour in female bunnies? I have separated them today cos i thought Twitchy might get a bit aggressive if Pepper was being a pest and i am not around to keep an eye on them. Please help.