Micro Ducks

The Micro Ducks are tiny alien ducks (about the size of tiny ants) from outer space. They first appear in Micro-Ducks from Outer Space by Carl Barks, and re-appear in "The Return of the Micro-Ducks From Outer Space" by Edele Kenner and Vicar. They also appear in DuckTales, but only in the episode "Micro Ducks from Outer Space", loosely based on their first appearance.

Role in DuckTales
They intercept a signal from a dish made by Gyro Gearloose. The commander tells Gyro that there is a food shortage on their homeworld and are in need of all the wheat that can be spared. Because of their size, they need to use a megaphone in order for their voices to be heard. They have a machine called the Molecular Manipulator, which changes the size of any object.