👉 Luciocephalus is a genus of birds in the family Aralidae, which includes the most common and widespread species of ducks, geese, and swans worldwide. This genus is characterized by its large head size, broad wings, and long legs. Some species are known for their distinctive crest-like appearance on their heads. Luciocephalus is often associated with the Arctic region in North America, with populations also found in Europe, Asia, and Australia.