Bird Caps (バードキャップ) is a set of Doraemon's gadget.
The Pigeon Cap is the Pigeon-like cap. Used to fly like pigeon.
The Chicken Cap is the Chicken-like cap. This cap can't use to flying.
The Sparrow Cap is the Sparrow-like cap. Used to fly like sparrow.
The Swan Cap is the Swan-like cap. Used to fly like swan. Sometimes the user that use this cap will migration with other swans.
The Owl Cap is the Owl-like cap. Used to fly like owl. Owl is nocturnal bird so it only can flying in night. Same with this cap that only can use in night time.
The Woodpecker Cap is the Woodpecker-like cap. The user will always banging his head in the tree, like a woodpecker while pecking the tree.
The Kingfisher Cap is the Kingfisher-like cap. Used to fly like Kingfisher. Sometimes when the user see the river, he will immediately jump into the river.
The Parrot Cap is the Parrot-like cap. The user will mimic the spoken language.
The Eagle Cap is the Eagle-like cap. Used to fly like eagle.
The Albatross Cap is the Albatross-like cap. Used to fly like Albatross.
In the movie this cap will make the user has wings, but in the anime this cap can be used without the wings.