Cover
Front Matter
Bird Observer
Back Matter
Bird Observer
Contents
Editor's Page
Paul M. Roberts
The Four Seasons at Plum Island
Herman D'Entremont and Soheil Zendeh
Ground-nesting and Related Behavior of Nighthawks Chordeiles Minor in Massachusetts
Alexander Hiam and Martin Sutherland
Golden Eagles in Eastern United States
Mark R. Fuller
The Mourning Dove in Massachusetts
Michael J. Brazauskas
Results of the 1978 Christmas Bird Counts in Eastern Massachusetts
Robert H. Stymeist
Letter to the Editor
Peter Vickery
1978 Census of Heron and Ibis Nests at Clark's Island, Plymouth, Massachusetts
William E. David Jr. and Brian A. Harrington
Changing Habitats for Nesting Birds
Neil Clark