This video captures a close-up view of a group of ants crawling on the bark of a tree. The ants are predominantly black in color, with some exhibiting a reddish hue. They are seen moving in various directions, some carrying small particles. The tree bark is rough and textured, providing a natural habitat for the ants. The video is shot in high definition, allowing for clear visibility of the ants' movements and the intricate details of the tree bark.