Autumn, season of the year between summer and winter during which temperatures gradually decrease. It is often called fall in the United States because leaves fall from the trees at that time. ... Many birds migrate toward the Equator to escape the f

Stock photo: Autumn, season of the year between summer and winter during which temperatures gradually decrease. It is often called fall in the United States because leaves fall from the trees at that time. ... Many birds migrate toward the Equator to escape the f was taken by bala.munees .