Udvardy, Miklos D. F.,  1919-1998. <br/><br/>
National Audubon Society field guide to North American birds.  Western region / 
Miklos D.F. Udvardy ; revised by John Farrand, Jr. ; visual key by Amanda Wilson and Lori Hogan. 
 - Rev. ed. 
 - New York :  Knopf :  Distributed by Random House,  c1994. 
 - 822 p. :  col. ill. ;  20 cm. 
<br/><br/> Rev. ed. of: The Audubon Society field guide to North American birds. Western region. c1977.  "A Chanticleer Press edition." 
<br/><br/>Includes bibliographical references and index. 
<br/><br/><label>ISBN: </label>0679428518 :  $19.00($26.00 Can.) 
<br/><br/><label>LCCN: </label>94007415 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Birds--North America--Identification.<br/>Birds--West (U.S.)--Identification.
<br/><br/><label>LC Class. No.: </label>QL 681  / .U33 1994