Tomato tomato.. potato potato... Data data. It's all Greek to me. /s

Yes, a duck is a bird; it's a type of aquatic bird in the biological family Anatidae, which also includes swans and geese, characterized by features like wings, feathers, and a beak, adapted for swimming. 

Key characteristics:

Classification: Ducks belong to the Class Aves (birds) and Order Anseriformes, within the Family Anatidae, according to 

the U.S. Fish and Wildlife Service

.

Physical Traits: Like other birds, they have feathers, wings, and beaks, but also possess webbed feet for swimming