What type of animal is a swan?

Swan is a type of water bird that belongs to the family Anatidae, which includes ducks, geese, and screamers. Swans are known for their long necks, elegant appearance, and graceful swimming abilities. They are mostly found in the Northern Hemisphere, especially in Europe, Asia, and North America. Swans are classified under the genus Cygnus, which consists of several species, including the mute swan, the whooper swan, the Bewick's swan, and the trumpeter swan, each with its own unique characteristics. Swans are herbivorous and feed on aquatic plants, algae, and small invertebrates. They are highly social animals and often form long-term pair bonds, staying with the same partner for life.