Vol. 8, No. 4 
Page 5 
losses. It has been demonstrated that the provision of high quality nesting cover 
is the management measure needed most (Monthly Wildlife Research Letter, January, 
1965). 
Table 4. Results of annual censuses of prairie chickens on booming grounds on 10 
areas in south-central Illinois during the first 2 weeks of April, 1964 and 1965 - 
Number 
of Cocks 
Percent Change 
Notes 
Census Area 
1964 
1965 
1964 to I 965 
(1965) 
Hookdale, Bond Co. 
16 
13 
-19 
Martinsville, Clark Co. 
29 
17 
-41 
Xenia, Clay Co. 
16 
0 
-100 
2 c f observed 
March 19 
Dieterich, Effingham Co. 
10 
2 
-80 
Bogota, Jasper Co. 
65 
47 
-28 
West Liberty, Jasper Co. 
5 
7 
+40 
Hunt, Jasper Co. 
17 
8 
-53 
Farina, Marion Co. 
27 
29 
+7 
I 1 cT observed 
within 1 mile 
of census area ; 
II of unknown 
sex observed on 
census area 
C i sne, Wayne Co. 
19 
9 
-53 
6 c f observed 
within 1 mile 
of census area 
Mt. Erie, Wayne Co. 
48 
31 
-35 
A11 Areas 
252 
163 
LA 
CA 
1 
6. Rabbit Management J- A. Bailey, R. J. Siglin 
Captures of cottontail rabbits on the Allerton Park 4-H Area during the period 
December 1964 -March 1965 have indicated that the distribution of overwintering 
rabbits on the area was far from uniform. Although the distribution of box traps 
tended toward uniformity, rabbits were caught frequently in some sections of the 
area and rarely in other sections. Observations of rabbits during drives and of 
