In the video, a black mouse is seen in a cage with wood shavings on the floor. The mouse is moving around and sniffing the wood shavings. The cage appears to be indoors, and there are no other objects or animals visible in the video. The mouse's fur is shiny, and it moves quickly and energetically. The wood shavings are light brown and appear to be freshly shredded. The video is shot from above, and the mouse is the main focus of the footage.