14 



BULLETIN 396, U. S. DEPARTMENT OP AGRICULTURE. 



Table II. — Nuniher of nesting pairs on each of six blocks of the Cornell Univer- 

 sity campus. 



Species. 



Blocks. 



B. 



E. 



F. 



Total. 



Screech owl 



Spotted sandpiper 



Kingfisher 



Hairy woodpecker 



D owny woodpecker 



Flicker 



Chimney swift 



Ruby-throated hummingbird. 



Phoebe 



Wood pewee 



Least flycatcher 



American crow 



Bobolink 



Cowbird 



Meadowlark 



Baltimore oriole 



Bronzed grackle 



American goldfinch 



Vesper sparrow 



Savannah sparrow 



Chipping sparrow 



Field sparrow 



Song sparrow 



Scarlet tanager 



Cedar waxwing 



Red-eyed vireo 



Warbling vireo 



Yellow-throated vireo 



Yellow warbler 



Louisiana water-tlu-ush 



Maryland yellow-throat 



Redstart 



Catbird 



House wren 



White-breasted nuthatch 



Chickadee 



Wood thrush 



Wilson thrush 



Robin 



Bluebird 



Total pairs of nesting native birds . 



English sparrow 



Ring-necked pheasant 



Total number of diSerent species . 

 Total pairs of nesting birds 



Acres per block , 



Nesting pairs of native birds per 100 acres , 



Nesting pairs of English sparrows per 100 acres. 

 Total nesting pairs per 100 acres 



35 



106 



87 



21 

 193 



22 



186 



14 



205 



34 

 200 



44 

 244 



87 

 122 

 100 

 222 



24 

 350 



62 

 412 



77 

 27 

 104 



2 

 1 

 1 

 1 

 2 

 6 

 4 

 2 

 7 



19 

 5 

 1 

 1 

 6 

 4 



21 

 2 



23 

 7 

 7 



47 

 2 



31 

 1 

 5 



13 

 4 

 7 



30 

 2 

 2 



15 



16 

 3 

 4 

 4 

 2 

 8 

 111 

 2 



431 



141 



1 



42 



573 



25 

 300 



16 

 316 



256 

 166 

 56 

 225 



In comparison with the above may be placed a report from Ran- 

 toul, 111., on a farm of 400 acres, of which 315 acres were in corn and 

 oats, and of course practically destitute of birds' nests, leaving only 

 85 acres to support the 88 pairs of native birds found on the place. 

 Such farms are very common throughout the central corn belt, and 

 while the 88 pairs are about the average for the 85 acres, the farm 

 as a whole shows an average of only 22 pairs to the 100 acres. 



The count for 1914 showed an average of 6 pairs of robins and 

 5 pairs of English sp'arrows for each farm (of 108 acres) covered. 

 The accuracy of these figures has been called in question by indi- 

 viduals who felt sure that the English sparrow was by far the most 



