CONTENTS 



INTRODUCTION PAGE 



I. The Object and Plan of this Guide ... 3 



II. Birds and their Seasons 6 



III. Migration . . . * 9 



IV. Distribution 13 



V. Hlnts for Field Work 18 



VI. How to use the Keys 22 



KEYS 



Key for Winter 29 



Key for March 33 



Key for April 37 



Key for May 42 



Key for Summer 51 



Key for Autumn 61 



BIRDS OF NEW ENGLAND AND 



YORK 

 Perching Birds : Order Passeres 



EASTERN NEW 



Thrushes : Family Turdidse 



Kinglets : Family Sylviidse .... 



Nuthatches and Tits : Family Paridse 



Creepers : Family Certhiidse 



Thrashers, Wrens, etc. : Family Troglodytidse 



Titlarks : Family Motacillidse 



Warblers : Family Mniotiltidse 



Vireos : Family Vireonidse .... 



Shrikes : Family Laniidse .... 



Waxwings, etc. : Family Ampelidse 



Swallows : Family Hirundinidse 



Tanagers : Family TanagridaB 



Finches, Sparrows, etc. : Family Fringillidse 



Blackbirds, Orioles, etc. : Family Icteridse . 



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184 



