Every piece In this beautiful, unique necklace is an individual portrait of a different animal, shown in it’s natural habitat. Your North American Mammal Necklace is a unique, wearable piece of wildlife art, created for the connoisseur of the natural world. Every time you wear it you show your love and appreciation of the wild. This necklace is shaped in brass, linked together and gold plated. This necklace will hold up to many years of normal wear.