Cover
bo39-1-web.pdf
Bird Observer
Contents
Spring Birding in Cold Spring Park
Maurice (Pete) Gilmore
Geezer Birding
John Nelson
Population Status of the Osprey in Essex County, Massachusetts
David Rimmer and Jim Berry
American Kestrel Nest Boxes
Art Gingert
Field Notes: Discovery of a Brood Patch on an Adult Male American Goldfinch (Carduelis tristis)
Sue Finnegan
Bird Sightings: September/October 2010
Seth Kellogg, Marjorie W. Rines, and Robert H. Stymeist
About the Cover: Northern Flicker
William E. Davis Jr.
At a Glance: December 2010
Wayne R. Petersen