INTRODUCTION 21 



III. Summer Visitants. The few species in this 

 group are divisible into two classes. The Shearwaters and 

 Petrels nest in the Antarctic Regions and spend their winter 

 (our summer) in these latitudes. The two Herons wander 

 north after their breeding season in the south is over. 



LIST OF SUMMER VISITANTS 



Cory's Shearwater Wilson's Petrel 



Greater Shearwater American Egret 



Sooty Shearwater Little Blue Heron 



IV. Winter Visitants. Birds which breed north of our 

 limits and regularly spend the winter with us are winter 

 visitants. As with the summer residents, they may arrive 

 long before and remain until long after the actual winter 

 season. The Junco, for example, arrives from the north 

 in September and remains until May, but is a typical winter 

 visitant. 



LIST OF WINTER VISITANTS 

 Holboell's Grebe King Eider 



Horned Grebe f American Scoter 



Loon fWhite-winged Scoter 



*Red-throated Loon fSurf Scoter 



Kittiwake Rough-legged Hawk 



Glaucous Gull Saw-whet Owl 



Great Black-backed Gull Horned Lark 

 ___tHerring Gull Snowflake 



*Ring-billed Gull Ipswich Sparrow 



American Merganser -^"White-throated Sparrow 



Red-breasted Merganser s^-Tree Sparrow 

 Scaup Duck Junco 



Golden-eye ^~*Myrtle Warbler 



Bufflehead fBrown Creeper 



Old-squaw Golden-crowned Kinglet 



*Usually commonest as a transient. 

 jSummering, or breeding very locally. 



V. Irregular Winter Visitants. The birds in this group 

 visit us at irregular intervals. Some, like the Shrike, are 



