Bird Form

When the trio heroes visit the Pride Lands, they are all transformed into animals. In Donald's case, he is turned into a tropical bird. In this form, he retains his blue hat. His webbed feet are converted into common bird's claws, while his wings and tail become tipped in blue. His body otherwise remains white.

Kingdom Hearts II
The Wise Little Hen (1934)

''The Royal Court Magician. He's traveling the worlds with Sora and Goofy in search of the King.''

''Donald's got new wings in this world. So, naturally, he got the hang of it right away.''

Trivia

 * Donald holds his staff in his claws even when he is not around enemies.
 * Donald's combo attacks are unavailable while visiting the Pride Lands.
 * While in this form, Donald wears his sailors hat instead of his Kingdom Hearts hat.