What does it mean to let a hundred birds compete for spring?

All kinds of birds appear slowly in spring. Hundred birds are interpreted as all kinds of birds. A hundred birds strive for spring. Now it means that all kinds of birds appear slowly in spring. Spring, also known as spring, is the first of the four seasons, which refers to the period from beginning of spring to long summer, including solar terms such as beginning of spring, rain, fright, vernal equinox, Qingming and Grain Rain.