Field guide to the birds of eastern North America /edited by Jon L. Dunn and Jonathan Alderfer with Paul Lehman.
National Geographic field guide to the birds of western North America
Washington, D.C. :National Geographic,c2008.

431 p. :col. ill., col. maps ;21 cm.

At head of title: National Geographic.

Includes index.

1.Birds--Canada, Eastern--Identification.2.Birds--East (U.S.)--Identification.Dynamic Details
#72LCCN:2007-50769598.0974

Holdings