War of the Birds (Danish: Fuglekrigen i Kanøfleskoven) is a Danish adult animated movie directed by Jannik Hastrup in 1990, about two orphan birds, Oliver and Olivia, who fight against an evil vulture with the help of two mice. It is based on a book with a similar name (Fuglekrigen, or "Bird War" in English) from the writer, Bent Haller.