With a FREE 2013 Birds Calendar as our gift to you! An annotated check-list of species in the North and South Platte River Valleys and at Lake McConaughy. Full color, convenient field guide format is the perfect size to carry with you as you view species. Full color photographs by Paul S. Johnsgard.
From the website listed: "MARY BOMBERGER BROWN, Ph.D. Collaborator Mary began studying Cliff Swallows in 1982 and worked on the project full-time through 2006. Her other research interests included habitat selection in Wilson’s phalaropes and conservation and management of interior least terns, piping plovers, and greater prairie-chickens. "