How do crows forecast the weather?

Crows are very sensitive to weather changes. It likes sunny weather very much. If it makes a "dumb, dumb" cry, it means it is sunny today. If it makes a low cry when it rains, it means it will continue to rain today; If you shout once, it indicates that there will be a strong wind soon. Others found that if crows have been flying at low altitude and chirping happily, it must be a sign of sunny weather. This is the result of years of observation.