The video shows a group of Japanese macaques, also known as snow monkeys, in a snowy environment. The monkeys are seen grooming each other, which is a common social behavior among primates. They are using their hands to pick through each other's fur, searching for and removing dirt, debris, and parasites. The monkeys are also seen resting and relaxing in the snow, which is their natural habitat. The video captures the social dynamics and behavior of these fascinating creatures in their natural environment.