Why Do Guinea Pigs Vibrate? Playthings How Bunnies Use Them Does anyone know why my bunny is shaking? He plays, eats, sleep, drinks, lays next to me like normal but now hes shaking like this? I dont understand he honks with excitement to see me in just I just got my sweet boy today, he's a few months old. As I was holding him he was warm and snuggled but he was doing this head motion. Is this a thing??? I was worried for a minute but he's acting Help! turn the sound up. She makes this noise anytime I pet or brush her. She feels like shes buzzing or vibrating from within. Doesnt appear to be in pain and isnt trying to get away from me. She Understanding Rabbit Noises 13 Sounds Rabbits Make Home & Roost