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April 1997, Vol. 25, No. 2 In Memoriam: Richard Alan Forster Wayne R. Petersen Winter of the Butcher-Bird: The Northern Shrike Invasion of 1995-1996 Wayne R. Petersen and William E. Davis, Jr. Using Christmas Bird Counts to Track Population Trends of Four Frugivorous Passerines Thomas R. Hamilton Book Review: The Nature of Massachusetts, by Christopher Leahy, John Hanson Mitchell, and Thomas Conuel Mark Lynch Killdeer Nest on Grovel Roofs of Office Buildings in Canton, Massachusetts William E. Davis, Jr, and Craig Armstrong Field Notes From Here and There Hungrey Northern Shrike Trapped William E. Davis, Jr. Bird Sightings: November/December 1996 Summary Christmas Bird Counts, 1996 Compiled by Marjorie W. Rines and Robert H. Stymeist About The Cover: Northern Shrike W. E. Davis, Jr. At a Glance Wayne R. Petersen Cover Illustration: Northern Shrike by Barry van Dusen ^ top