The video shows a small monkey with a long, black tail walking across a small white ladder in what appears to be a glass terrarium. The terrarium contains a red heat lamp, a green hoop, and a gray container. The wall of the terrarium has a rough white texture, and there is a black swirl pattern painted on the surface. The base of the terrarium is covered in a light orange-beige substrate. The monkey is dark-colored with reddish-brown patches on its back and head. It moves steadily across the ladder, using its tail for balance. The camera angle is slightly elevated and follows the monkey's movement.