A reference guide to gulls of the Americas
By: Steve N.G. Howell and Jon L. Dunn ; sponsored by the Roger Tory Peterson Institute and the National Wildlife Federation
Contributors: Dunn, Jon, 1954-
Series: The Peterson reference guide series
Publisher: Houghton Mifflin
Published: 2007
Place of publication: Boston
Language: eng
Number of pages: 516
ISBN-13: 9780618726417
Subjects: Gulls -- America
Notes: Includes bibliographical references (p. 500-512) and index