The video captures a single duck, likely a female Mallard, swimming and foraging in a calm body of water. The duck, characterized by its brown and speckled plumage and a visible blue speculum on its wing, repeatedly dips its head beneath the water's surface, presumably searching for food or drinking. It occasionally lifts its head, observes its surroundings briefly, and then resumes its dipping behavior. The scene is set in a natural outdoor environment during what appears to be daytime, with soft, natural light. The background features a dense growth of tall, green grasses along the water's edge. In the foreground, a muddy or sandy bank slopes gently into the water. The water itself is still and shows reflections of the surrounding vegetation. There are no other visible subjects, human activity, or discernible text. The provided context indicates the location is Moscow, Russia.