视频展示了一头牦牛在草地上吃草的场景。牦牛的身体大部分是黑色的，头部和腿部有一些白色的毛发。它的角非常大且弯曲，呈现出浅棕色。牦牛低着头，正在咀嚼地上的青草，周围是一片绿色的草地，草地上还点缀着一些黄色的小花。背景中可以看到一些岩石和模糊的自然景观。整个画面给人一种宁静和谐的感觉。
The video shows a yak grazing in a grassy field. The yak has thick, dark fur and prominent curved horns. It is bending down to eat the grass, with its head close to the ground. The background consists of more grass and some rocks, indicating a natural, possibly mountainous environment. The yak's movements are slow and deliberate as it feeds.
A bison with a thick black coat and large curved horns is seen grazing in a grassy field. The bison's head is lowered, and it is eating the green grass along with some small yellow flowers. The background is a natural setting with more grass and some blurred elements, possibly other vegetation or distant objects. The bison's head moves slightly as it continues to graze, indicating it is actively eating.