If you have dreamed that a mouse turns into a bird in a dream: You need to work and spend a lot more time in order to reach your ideals and wishes. You may want to balance your work in the morning hours. Turning a mouse into a bird in a dream indicates good news and happiness, good opportunities and good developments. A mouse turning into a bird and crying in a dream sometimes means being sad, distressed and suffering, and sometimes asking for the best and accepting prayers.