Tracks in the sky
Subtitle: wildlife and wetlands of the Pacific flyway
By: photographs by Tupper Ansel Blake ; text by Peter Steinhart.
Contributors: Steinhart, Peter.
Publisher: Chronicle Books
Published: 1987
Place of publication: San Francisco
Language: eng
Number of pages: 166
Subjects: Wetland ecology -- West (U.S.); Wetland conservation -- West (U.S.); Birds -- Ecology -- West (U.S.); Birds -- Migration -- West (U.S.); Animals -- West (U.S.); Wetlands -- West (U.S.)
Other titles: Pacific flyway.
Notes: "Published in association with the National Audubon Society."
Includes index.