In the video, a hippopotamus is seen swimming in a body of water. The hippopotamus is mostly submerged, with only its head and back visible above the water's surface. The water appears calm, and there are no other animals or people visible in the video. The hippopotamus moves slowly and gracefully through the water, occasionally dipping its head below the surface. The animal's skin is a dark gray color, and it has large, round eyes and a wide mouth. The video provides a close-up view of the hippopotamus, allowing for a detailed observation of its features and movements.