Swans are related to ducks and geese. They are all in the same family, called Anatidae. There are three different types of swans in North America. The Tundra swan, The Mute swan, and The Trumpeter swan. The Trumpeter swan is the heaviest swan in North America. So if you live in North America try to look for these swans. It can’t be in fall or winter, it hast to be a warm season.