A Chicken That Carried All Sorts of Things 2006 one on netflix

A chicken lived in a yard, which could not have offspring, which was very frustrating for her. She had been giving burth to toys, bottles, balls and other trash she miraculously brought chickens and… a tiny excavator. When the excavator grew up, he became very useful in agriculture and mined worms for the entire coop. However, once he opened a terrible secret that forced him to leave his native house.