To make this great feather skirt, go here.
The necklace on the left can be found on the blog Used and Abused Vintage, and was made by sewing a feather fringe to a chain necklace (more about it can be found here). The necklace on the right can be made the same way, with gems added.
Photos from top: Feather skirt via lovemaegan.com; Feather necklace via usedandabusedvintage.com; Feather and gem necklace via boohoo.com; Feather cape from Chic Steals via newyorkdesignshop.com