Ever notice a monarch butterfly vibrating its wings? This isn't just random behaviorit's a survival strategy called Shivering. Especially when temperatures drop, monarchs vibrate their wings to generate heat and warm moths do not shiver because they are frightened, but because they have muscles that need to be warmed up before flight. the shivering helps to regulate their temperature and ensures their wing MS and Vibrating Sensations: What Do They Mean? MyMSTeam How to Stop Vibration in Ear: 5 Expert Approved Solutions That Work Direct Hearing Why you get butterflies in your stomach, and how to calm them Calm Blog