Table 2.--Comparison of woodcock singing-ground survey results for 1959-1965. The totals are weighted by the 
percent of total uncultivated land area within each region. 
EASTERN REGION 
WESTERN REGION 
CONTINENTAL NORTH AMERICA 
Years of 
comparison 
Comparable 
routes 
Birds heard 
per route 
Percent 
change 
Comparable 
routes 
Birds heard 
per route 
Percent 
change 
Comparable 
routes 
Birds heard 
per route 
Percent 
change 
1959 
1960 
166 
7.14 
6.43 
-10% 
40 
5.29 
5.68 
+ 7% 
206 
6.18 
6.06 
- 2% 
1960 
1961 
150 
5.88 
6.46 
+10% 
73 
5.49 
5.92 
+ 8% 
223 
5.66 
6.16 
+ 9% 
1961 
1962 
148 
6.43 
6.21 
- 3% 
115 
5.46 
5.44 
0% 
263 
5.87 
5.76 
- 2% 
1962 
1963 
161 
6.19 
5.76 
- 7% 
118 
5.39 
6.25 
+16% 
279 
5.72 
6.04 
+ 6% 
1963 
1964 
153 
6.49 
6.96 
+ 7% 
133 
6.29 
7.10 
+13% 
286 
6.37 
7.04 
+11% 
1964 
1965 
151 
6.94 
6.91 
0% 
133 
6.73 
5.98 
-11% 
284 
6.82 
6.38 
- 6% 
