13.5-inch Copper Bird Bath with Birds on Garden Pole13. 5 inch Copper Bird Bath with Birds on Garden Pole Experience the outdoors with our 13. 5 inch Copper Bird Bath and Garden Pole. Made with 22 gauge pure copper, the creative and sturdy birdbath is perfect for attracting beautiful birds to your backyard. With a 3 prong base and a 2" deep basin recommended by the Audubon Society, this durable bird bath will be enjoyed for years to come. Easy to set up and made with high quality materials, this