Common Rabbit Postures, Behaviors, and Vocalizations Purring or tooth purringA sound made by lightly and quickly grinding and vibrating the teeth as the whiskers quiver; a sign of contentment. Oinking or honkingA he kinda vibrates his face a lil and makes that chittering noise, is he in pain? he eats drinks poops normally Why Does My Rabbit Shake and Tremble? Rabbit Care Tips Rabbits purr. Not like cats. But the meaning is the same. When a rabbit is content and relaxed, it softly grinds its teeth together It creates a vibration you can Understanding Why Guinea Pigs Vibrate The Science of Rabbit Communication, From Nose Wiggling to Tail Wagging A Z Animals