• Unique book and audio CD package • Features sounds of 50 North American waterfowl species • A full-color photograph complements each bird's description Learn the songs and calls of 50 waterfowl species found across North America. An audio soundtrack combined with detailed text and beautiful color photographs make this a useful guide for any birder. From the distinctive quack of the American black duck and whistled "peep" of the cinnamon teal to the cuckoolike call of the pied-billed grebe and yodel of the yellow-billed loon, this package covers waterfowl species in an easy-to-use format. Includes dabblers, sea ducks, geese, and other waterfowl.