John O'Farrell

Set at the dawn of time, when prehistoric creatures and woolly mammoths roamed the earth, Early Man tells the story of Dug, along with sidekick Hognob as they unite his tribe against a mighty enemy Lord Nooth and his Bronze Age City to save their home.

Having pulled off an escape from Tweedy's farm, Ginger has found a peaceful island sanctuary for the whole flock. But back on the mainland the whole of chicken-kind faces a new threat, and Ginger and her team decide to break in (imdb.com).