Daisy, a Hen Into the Wild (2011)

Leafie is a hen who manages to escape the horrible conditions of an egg production line. After surviving a harrowing encounter with a one-eyed weasel and being rejected by the barnyard animals where she grew up, a chance encounter sees her becoming the guardian of a duckling. Despite the child being a duck, Leafie is willing to learn and make the sacrifices she needs in order to ensure the happiness of her son.