Naturally . . . South Texas: Nature Notes from the Coastal Bend Autor Roland H. Wauer et al. 31 iul 2001 Paperback Preț: 163.11 lei 3-5 săpt.
Birds of Tropical America: A Watcher's Introduction to Behavior, Breeding, and Diversity Autor Steven Hilty et al. 31 mar 2005 Paperback Preț: 192.37 lei 6-8 săpt.
Birds of the Northwestern National Parks: A Birder's Perspective Autor Roland H. Wauer et al. 30 apr 2000 Paperback Preț: 126.58 lei 6-8 săpt.