Skeleton Bird

A Flying Ghost is an enemy in the game Wario Land 4. They are flying skeleton-like monsters that can't be normally destroyed by Wario. Flying Ghosts wear a green hood and a red bandana and have one flapping wing. They have the ability to turn Wario into Zombie Wario. While Wario is a zombie, he can attack a Flying Ghost, after hitting it once, it will crumble into a head which Wario can destroy as his normal self or as a zombie. Flying Ghosts attack by spitting green clumps of goo which can't actually hurt Wario. The first level Flying Ghosts appear in is Crescent Moon Village. They also appeared in Hotel Horror. Flying Ghosts only appears in the Sapphire Passage.

In the ending scene, A flying Ghost with Four tails appears with Two Ax Ghosts.