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October 1999, Vol. 27, No. 5 Silvicultural Options for Managing Birds in Northern Hardwoods Forests in Extensively Forested Landscapes David I. King and Richard M. DeGraaf Selfish Generosity: Cooperative Breeding in Birds Maria Hersek Interspecific Helping Behavior: House Sparrows at Baltimore Oriole and Eastern Kingbird Nests Kenneth Hudson Birding the Lower Emerald Necklace: Jamaica Pond to the Back Bay Robert G. Mayer About Books: Looking Back Books That Made Me a Birder John Kricher Field Notes From Here and There Red-tailed Hawk Chased Off by Common Nighthawks Aaron Roth Observations on a Chukar in Boston Kenneth Hudson Bird Sightings: May/June 1999 Summary About The Cover: Merlin William E. Davis, Jr. About the Cover Artist: Barry Van Dusen At A Glance Wayne R. Petersen ^ top