Buy bird costumes for kids and adults here at CostumeBox. Ducks, pelicans, eagles, owls and more bird costumes available here online at MAD Distribution. Find some great ideas for book week. Australia: Country Story, why not dress up in a funny bird mask, a cosy onesie, wear a wrap and ride or feather wings. Dress up in a bird costume like a colourful parrot, pigeon or penguin or wear one of our eagle masks or make your own and strap on some wings and you'll have something to tweet about!