视频中展示了一只成年黑毛猴和一只幼年黑毛猴在树上的场景。成年黑毛猴坐在一根树枝上，身体靠在树干上，它的前肢抓着树干，后肢放在树枝上，头部微微向右转，眼睛看向镜头。幼年黑毛猴则趴在树枝上，身体朝向右侧，头部低垂，似乎在休息或观察周围环境。背景是模糊的绿色树叶，营造出一种自然和谐的氛围。
The video shows two black howler monkeys sitting on a tree branch in a lush, green forest. The larger monkey, likely an adult, is positioned on the left side of the frame, leaning against a vertical tree trunk with its left hand and looking around attentively. Its right hand rests on the branch. The smaller monkey, possibly a juvenile, is lying down on the right side of the branch, appearing relaxed and occasionally moving its head. The background is filled with dense foliage, creating a natural and serene environment. The monkeys' dark fur contrasts sharply with the bright green leaves, making them stand out prominently.
In a lush, green forest, a larger monkey and a smaller monkey are perched on a tree branch. The larger monkey uses its hand to tap the tree trunk several times. After tapping, the larger monkey rests its head on its hand, appearing to be in a relaxed state. The smaller monkey remains lying on the branch, seemingly uninterested in the larger monkey's actions.