Klepto

Klepto is a vulture that appears in Shifting Sand Land in Super Mario 64. They look like a stereotypical vulture with tired eyes. In the first mission of Shifting Sand Land, they hold the star. In later missions, they can steal the player's cap.

Klepto's Blue Star
Found in the files of Super Mario 64 is an unused version of Klepto holding an already collected star. This is not used in the game, even when Klepto's star is collected.