Why is my red oak dropping small twigs?

Your red oak may be dropping small twigs due to environmental stress, such as drought or excessive moisture, which can cause the tree to shed branches to conserve energy. Additionally, pests or diseases, such as oak wilt or twig girdlers, can weaken the tree and lead to twig drop. Seasonal changes, particularly in late summer or fall, can also trigger this behavior as the tree prepares for winter. If the twig drop persists or is accompanied by other symptoms, consulting an arborist may be advisable.