The video shows a hippopotamus swimming in a body of water. The hippo is mostly submerged, with only its back and head visible above the water's surface. The water is calm, and the hippo moves slowly and gracefully. The lighting is dim, suggesting that the video was taken either during the early morning or late evening hours. The hippo's skin appears to be a dark gray color, and it moves smoothly through the water. There are no other animals or objects visible in the video.