Genus Aix is a classification of waterfowl that includes the well-known bird species known as the Mandarin duck. When looking to describe this specific genus, there are a few synonyms that could be used to accurately portray the species. For example, the Mandarin duck is sometimes referred to as being part of the "Aix" genus instead of Genus Aix. Another word that could be used to describe this genus is "waterfowl" which is often used to categorize birds that inhabit aquatic environments. Other potential synonyms for Genus Aix might include "duck species" or "water bird genus," which both accurately describe these fascinating creatures.