KEY TO BIRDS' NESTS 



In Woods: Black and White Warbler, Brown 

 Thrasher, Canadian Warbler, Hermit Thrush, 

 Junco, Louisiana Water-thrush, Mourning War- 

 bler, Ovenbird, Ruffed Grouse, Song Sparrow, 

 Towhee, Veery, Water-thrush, Whip-poor-will, 

 Woodcock. 



In Marshes: Bittern, Black Duck, Black Tern, 

 Coot, Florida Gallinule, King Rail, Loon, Marsh 

 Hawk, Maryland Yellow-throat, Pied-billed 

 Grebe, Short-eared Owl, Sora Rail, Swamp Spar- 

 row, Virginia Rail, Wilson's Snipe. 



II. In Burrows in the Ground : 



A. Nesting in colonies in sand-banks. . . . 



Bank Swallow 

 AA. Nesting singly. 



B. Drilling its own burrow Kingfisher 



BB. Utilizing some other burrow 



Rough-winged Swallow 



III. Hanging or Semi-pensile Nests: 

 A. In reeds or swamp bushes. 



B. Open above. 



1. A platform only slightly hollowed. . 



Least Bittern 



2. Deeply hollowed. Red-winged Blackbird 

 BB. Spherical nests-opening side 



Long and Short-billed Marsh Wrens 

 AA. In upland bushes and trees. 



B. Small, less than 2 inches deep inside, 

 fully suspended. 



1. In berry bushes. White-eyed Vireo 



2. In low branches or saplings. . . 



Red-eyed Vireo 



3. In evergreens (usually) 



Blue-headed Vireo 



4. In middle of tree 



Yellow-throated Vireo 



5. In tree top or outer branches. . 



Warbling Vireo 



BB. Small, semi-pensile, partially sup- 

 ported Acadian Flycatcher 



17 



