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English Pages 418 [420] Year 1989
American Warblers
DOUGLASS H. MORSE
American Warblers AN E C O L O G I C A L AND BEHAVIORAL PERSPECTIVE
H A R V A R D U N I V E R S I T Y PRESS Cambridge, Massachusetts and London, England · 1989
Copyright © 1989 by the President and Fellows of Harvard College All rights reserved Printed in the United States of America io
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This book is printed on acid-free paper, and its binding materials have been chosen for strength and durability. Typeset in Galliard and designed by Marianne Perlak. Library