Gadjit Soda Bottle Wild Bird Thistle Feeder Kits (Pack of 2) - Fill Plastic Soda Bottle Thistle Nyger Seed, Twist onto Feeding Tray, Hang Outdoors, Feed Wild Birds (Yellow) Looking for a fun, popular hobby? Feed wild birds! Thistle feeder includes a feeding tray, perch, and hanger. Color: Yellow Fill an empty soda bottle with thistle / nyjer feed and screw onto feeding tray. Hang outdoors and lure songbirds to your yard. Enjoy the songbirds! Soda Bottle Thistle Feeder was designed to attract wild finches and chickadees to feed in your yard