Things made of porcelain, especially birds! Fine-ground, white clay is molded and oven-fired for 8 hours at 1200 degrees to form our attractive porcelain items. a glaze or underglaze is then added and the piece is returned to the oven one final time to intensify the outer finish. All Items Here are all the products in this category: Bluejays Bluejays and flowers -- $ 24.95 Hummingbird Porcelain Hummingbird feeing! -- $ 29.95