What do ducks ears do?

Ducks do have ears! Like many animals with fur or feathers, duck ears are not located on the sides of their heads.

Their external opening are simply holes covered in feathers, located just behind and slightly below their eyes.

Duck use sound for almost everything. Their hearing sense is essential for them to communicate, find food, navigate in flight, find mates, avoid predators, detect danger, maintain group cohesion while swimming or flying...