Ecology of the Nesting-Site 121 
of clover, alfalfa or timothy but here they avoided the larger 
areas of blue grass, red-top grass, quack grass and timothy, 
restricting themselves to much coarser vegetation. This is in 
accord, too, with frequent observations I have made of them in 
eastern Nebraska, where scores of nests have been seen. Nine 
breeding pairs were shown by the June census, nearly all in 
such conditions as described. 
If, in a large area such as these subdivisions, where every pos- 
200 yards scale 
Legend: : 
“ep - Spotted Sandpiper 
U- Plover 
Olink 
Spo 
Upland 
B - Bobol 
Mu 
v 
M 
Figure 18 
r than the Prairie 
es eecaia tack eae bef tar in = 7 Risneee Ill. 1926, with 
the approximate location of the nests. 
sible habitat of the open field prevailed, the Dicksissel chooses 
the heaviest growth of large herbs, then such preference places 
him sixth in the ecological categories that vegetation erects: the 
Prairie Horned Lark in the scantiest growths, then the Vesper 
Sparrow, then the Meadowlark, then the Savannah Sparrow, 
then the Bobolink, and, lastly, the Dicksissel. 
