ALLEN] BIRDS' NESTS 45 



I. ON THE GROUND OR IN TUSSOCKS OF GRASS : 



These nests are seldom found except when occupied, and then 

 can be identified by the birds. Only a hst will be given. 

 See also spherical nests. 



IN fields: Bobolink, bobwhite, field sparrow, grasshopper, 

 sparrow, homed lark, killdeer, meadow lark, 

 nighthawk, pheasant. Savanna sparrow, song 

 sparrow, spotted sandpiper, vesper sparrow. 



IN WOODS : Black and white warbler, brown thrasher, Canadian 

 warbler, hermit thrush, junco, Louisiana water- 

 thrush, mourning warbler, ovenbird, niSed grouse 

 song sparrow, towhee, veery, water- thrush, whip- 

 poor-will, woodcock. 



IN marshes: Bittern, black duck, black tern, coot, Florida 

 galUnule, king rail, loon, marsh hawk, Maryland 

 yellowthroat, pied-billed grebe, short-eared owl, 

 sora rail, swamp sparrow, 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 semipensile nests i 

 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 



LONG- AND *SH0RT-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 



