In the video, a small grey hamster is seen walking on a wire cage. The hamster is moving around the cage, sniffing and exploring its surroundings. The cage appears to be indoors, and the hamster seems to be healthy and active. The wire cage is made of metal and has a grid-like pattern. The hamster's fur is a mix of grey and white, and it has a small, round body with a long tail. The video captures the hamster's movements as it walks around the cage, occasionally stopping to sniff or explore.