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 Hi group. The same butterfly we shared about earlier today has now continued to flip its wings upside down and cant stay right side up. I have been researching and havent found anything. Any insight Vibrations in the Breast: Should I Worry? What's this moth? Also, why is it shaking? It had some web stuck on it so I got it off but now it's just shaking. New Hampshire USA : r moths Seismology meets botany: Geologist applies vibration science to saguaros Where Have All The Butterflies Gone UK?