BIRDS OF THE CAMBRIDGE REGION. 



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Mourning Warbler. 

 Wilson's Warbler. 

 Canadian Warbler, s. r. 

 American Pipit. 

 Winter Wren, w. r. 



Ruby-crowned Kinglet. 

 Gray-cheeked Thrush. 

 Bicknell's Thrush. 

 Olive-backed Thrush. 

 Hermit Thrush, s. r. and w. r. 



Autumn Migrants. 



Hooded Merganser. 

 Mallard. 

 Buffle-head. 

 Old-squaw. 

 American Scoter. 

 White-winged Scoter. 

 Pectoral Sandpiper. 

 Semipalmated Sandpiper. 



Yellow-legs, s. m. 



Semipalmated Plover, s. m. 



Nelson's Sparrow. 



Acadian Sharp-tailed Sparrow, s. m. 



Orange-crowned Warbler. 



Palm Warbler. 



Connecticut Warbler. 



Occasional or Accidental Visitors. 



Holboell's Grebe. 



Red-throated Loon. 



Briinnich's Murre. 



Dovekie. 



Glaucous Gull. 



Iceland Gull. 



Bonaparte's Gull. 



Common Tern. 



Leach's Petrel. 



Double-crested Cormorant. 



American Merganser. 



Red-breasted Merganser. 



Baldpate. 



Shoveller. 



Pintail. 



Redhead. 



Canvas-back. 



Ring-necked Duck. 



King Eider. 



Surf Scoter. 



Whistling Swan. 



Glossy Ibis. 



Little Blue Heron. 



Yellow-crowned Night Heron. 



Yellow Rail. 



Red Phalarope. 



Northern Phalarope. 



Purple Sandpiper. 



Red-backed Sandpiper. 



Sanderling. 



Hudsonian Godwit. 



Killdeer, s. r. 



Passenger Pigeon. 



Mourning Dove. 



Turkey Vulture. 



American Goshawk. 



