CHECK-LIST 



Class AVES. Birds. 

 Subclass NEORNITHES. Typical Birds. 



SupERORDER NEOGNATHAE. Non-Struthious Birds. 



Order GAVIIFORMES. Loons. 



Family GAVIIDAE. Loons. 



Genus GAVIA Forster. 



Gavia J. R. Forster, Enchirid. Hist. Nat., 1788, 38. Type, by subs, desig., 

 Colymbus imber Gunnerus = C. immer Brunnich (Allen, 1907). 



Gavia immer immer (BRtJNNiCH). Common Loon. [7.] 



Colymbus Immer Brunnich, Orn. Borealis, 1764, 38. (E Fieroa = Faroe 

 Islands.) 



Range. — Breeds from Labrador, Newfoundland, Nova Scotia, and Maine 

 south to northern Illinois (formerly), northern Indiana, northern Ohio, 

 (formerly), northern New York, northern Pennsylvania (formerly). New 

 Hampshire, Connecticut (casually), Massachusetts (rarely), and in Iceland; 

 recorded in summer (not breeding) south to New Jersey; and in North Carolina, 

 South Carolina, Mississippi, the outer Hebrides, Shetlands, and the coast of 

 Norway. Winters from the Great Lakes, Maine, and Nova Scotia (casually) 

 to Florida and the Gulf coast; also from the British Isles south to the Azores, 

 Madeira, and the Mediterranean and Black seas. 



Gavia immer elasson Bishop. Lesser Loon. [7a.] 



Gavia immer elasson Bishop, Auk, XXXVIII, No. 3, July 5, 1921, 367. 

 (Carpenter Lake, Rolette County, North Dakota.) 



