TABLE B-32. —Waterfowl breeding population, by area and year, Chippewa 
National Forest, Minnesota, 1964 and 1965 
Area 
1964 
1965 
Percent change 
Bowstring- 
245 
301 
+ 23 
Burns'- 
109 
87 
- 20 
Kitchie-- 
204 
162 
- 20 
Lower Pigeon- 
90 
54 ‘ 
- 40 
Mud Lake- 
141 
150 
+ 7 
Raven Lake - 
11 
8 
-- 
Round Lake- 
729 
445 
- 39 
Third River-- 
178 
365 
+ 105 
Lake Winniebigoshich -- 
309 
300 
- 3 
Rabideau Lake- 
247 
178 
— 
Total. 
2,263 
2,050 
- 28 
TABLE B-33. —Species composition, Chippewa National Forest, 
Minnesota, 1964 and 1965 
Species 
1964 
1965 
Mallard- 
43 
50 
Widgeon- 
12 
16 
Blue-winged teal — 
18 
5 
Wood duck- 
13 
11 
Ring-necked duck — 
3 
4 
Goldeneye- 
16 
9 
Other - 
1 
5 
TABLE B-34.--Duck production ratios, Chippewa National Forest, 
Minnesota, 1964 and 1965 
Species 
1964 
1965 
Adult 
Juvenile 
Ratio 
Adult 
Juvenile 
Ratio 
Mallard -- 
524 
643 
1:1.2 
495 
539 
1:1.1 
Widgeon -- 
123 
158 
1:1,3 
107 
216 
1:2.0 
Blue-winged teal - 
58 
147 
1:2,5 
51 
48 
1:0.9 
Wood duck--- 
108 
185 
1:1.7 
82 
148 
1:1.8 
Ring-necked duck- 
26 
47 
1:1.8 
26 
53 
1:2.4 
Goldeneye --— 
95 
281 
1-2.9 
62 
115 
1:1.9 
Total--— 
934 
1,461 
1:1.6 
823 
1,119 
1:1.4 
65 
