Why do birds peck the seeds of Osmunda japonica?

Birds are willing to peck at the seeds of osmanthus fragrans because osmanthus fragrans is brightly colored, and birds are easily attracted by bright colors. According to relevant data, Lagerstroemia indica has a long flowering period and bright colors, which attracts birds. Lagerstroemia indica has a small round capsule, which will split into several petals when it matures, exposing the small disc-shaped winged seeds inside. Small birds like yellowbird, finch, brown-headed finch and swamp tits all like to eat Lagerstroemia indica seeds.