Rabbits can express happiness or contentment in various ways. Some common signs of a happy or content rabbit include relaxed body language, such as lying down with their legs stretched out behind them, gentle tooth grinding (purring), relaxed ears that are slightly back or to the sides, and grooming themselves or their companions. Additionally, binkying, which is when a rabbit jumps and twists in the air, is a clear sign of a joyful and content rabbit.