Genus Tadorna refers to a group of waterfowl birds commonly known as Shelducks. These birds are known for their distinct appearance, with mottled brown and white plumage and a prominent bill. In addition to Shelduck, there are several synonyms for the Genus Tadorna, including Tadornas, Common Shelduck, and Eurasian Shelduck. While these birds are found across many parts of the world, including Europe, Asia, and Africa, they are particularly common in coastal regions and wetlands. They are known for their strong vocalizations and social behavior, often seen gathering in large flocks. Overall, the Genus Tadorna is a diverse and fascinating group of waterfowl birds that play an important role in many ecosystems.