What do a duck chicken and goose have in common?

* They are all birds: This is the most obvious similarity. They have feathers, wings, beaks, and lay eggs.

* They are all members of the order Anseriformes: This order encompasses all waterfowl, including ducks, geese, and swans.

* They are all domesticated: All three species have been domesticated by humans for various purposes, like meat, eggs, and feathers.

* They are all omnivores: They eat a variety of foods including plants, seeds, insects, and small animals.

* They are all social animals: They live in flocks and have complex social behaviors.

* They are all sexually dimorphic: Males and females often have distinct physical characteristics.

While they share these common features, there are also some important differences between them. For example, ducks are generally smaller than geese, and chickens are not considered waterfowl.