A duck is a type of bird that belongs to the family Anatidae, which also includes swans and geese. Ducks are commonly found in both freshwater and saltwater environments around the world, and they are recognizable by their broad, flat bills and webbed feet, which make them excellent swimmers.
Ducks are generally categorized as waterfowl, which means they are adapted to living in aquatic habitats. They have a distinctive quacking sound, although not all duck species quack. Ducks come in various shapes, sizes, and colors, with some species being very colorful and others more muted.
Moreover, ducks are social animals and often found in groups called rafts or flocks. They are also known for their migratory behavior, flying long distances in search of food and optimal breeding conditions. Overall, ducks are fascinating creatures that play important roles in their ecosystems.