) 
Vol. 18, No. 9 
Page 5 
Table 2. Status of prairie 
found by systematic searches 
Study Area, 1963-74. 
chicken population 
, and according to 
in relation 
reports by 
to the fate of 
local residents. 
nests 
8ogota 
1963-64 
1965-67 
1968-72 
1973-74 
Average Annual 
Percent Change In 
Population Status 
-26 
-4 
+45 
-29 
Percent of Nests 
Hatched 
36 
48 
62 
36 
Destroyed by plow 
42 
28 
5 
0 
Destroyed by mower 
8 
3 
1 
0 
Destroyed by predation 
12 
23 
26 
61 
Abandoned 
2 
0 
7 
5 
Number of Nests 
59 
40 
271 
143 
) 
