Dusky and swallow-tailed gulls of Galapagos Islands
By: by Alfred M. Bailey ; with photographs by the author and Jack A. Murphy.
Contributors: Denver Museum of Natural History.
Series: Museum pictorial -- no. 15; Museum pictorial (Denver Museum of Natural History) -- no. 15
Publisher: Denver Museum of Natural History
Published: 1961
Place of publication: Denver
Language: eng
Number of pages: 31
Subjects: Birds -- Galapagos Islands.; Gulls -- Galapagos Islands.
Notes: Includes bibliographical references (p. 30).