Each
week during fall migration, biologists fly the Mississippi River
to count the number of waterfowl using Pools 4- 13 of the Refuge.
Due to survey techniques, this total number is not necessarily the total number of waterfowl in a specific pool.
SPECIES |
October 6, 2004 Pools 9-11 only TOTAL |
October 12, 2004 Revised Pools 4-13 TOTAL |
October 18, 2004 Pools
10-11 TOTAL |
October
25, 2004 TOTAL |
Novermber
1, 2004 |
November 9, 2004 TOTAL |
SWANS |
- |
15 |
55 |
180 |
1,455 |
8,275 |
|
1,235 |
8,442 |
6,475 |
5,980 |
7,255 |
10,830 |
OTHER GEESE |
- |
- |
- |
- |
- |
- |
MALLARD |
1,675 |
14,470 |
14,555 |
13,990 |
33,695 |
32,020 |
BLACKDUCK |
- |
40 |
40 |
30 |
105 |
20 |
PINTAIL |
- |
1,310 |
295 |
405 |
560 |
445 |
GADWALL |
- |
11,470 |
6,785 |
8,240 |
12,490 |
6,125 |
WIGEON |
1,075 |
12,655 |
5,735 |
3,410 |
2,665 |
655 |
N. SHOVELER |
- |
95 |
65 |
145 |
40 |
125 |
BLUE-WINGED TEAL |
- |
375 |
15 |
40 |
5 |
- |
GREEN-WINGED TEAL |
- |
1,230 |
505 |
325 |
165 |
245 |
WOODDUCK |
5 |
870 |
370 |
145 |
55 |
70 |
REDHEAD |
- |
10 |
40 |
- |
30 |
275 |
CANVASBACK |
115 |
17,040 |
57,165 |
71,400 |
245,230 |
232,430 |
RINGNECK |
- |
3,580 |
3,815 |
13,710 |
25,410 |
13,625 |
SCAUP |
15 |
1,675 |
14,820 |
14,280 |
39,130 |
45,705 |
C. GOLDENEYE |
- |
5 |
45 |
155 |
1,920 |
3,850 |
BUFFLEHEAD |
- |
25 |
15 |
35 |
170 |
605 |
MERGANSER |
- |
- |
- |
- |
- |
- |
RUDDY DUCK |
- |
75 |
120 |
250 |
310 |
125 |
DUCKS, GEESE & SWAN TOTALS |
4,120 |
73,382 |
110,915 |
132,720 |
370,690 |
355,425 |
PUDDLE DUCKS |
2,755 |
42,515 |
28,365 |
26,730 |
49,780 |
39,705 |
DIVING DUCKS |
130 |
22,410 |
76,020 |
99,830 |
312,200 |
296,615 |
SPECIES |
November 15, 2004 Pools 9-13 not flown TOTAL |
November 22, 2004 TOTAL |
November 29, 2004 Pools 12-13 not flown TOTAL |
December 8, 2004 Pools 9-11 not flown TOTAL |
December 14, 2004 Pools 9-11 Only TOTAL |
SWANS |
11,160 |
16,595 |
18,775 |
15,505 |
11,930 |
|
7,335 |
11,225 |
13,445 |
10,605 |
6,295 |
OTHER GEESE |
- |
- |
- |
- |
- |
MALLARD |
17,175 |
30,095 |
39,995 |
21,115 |
11,930 |
BLACKDUCK |
85 |
70 |
155 |
70 |
- |
PINTAIL |
75 |
40 |
- |
25 |
- |
GADWALL |
4,350 |
7,045 |
5,615 |
4,485 |
- |
WIGEON |
360 |
1,510 |
500 |
545 |
- |
N. SHOVELER |
5 |
80 |
5 |
5 |
- |
BLUE-WINGED TEAL |
- |
- |
- |
- |
- |
GREEN-WINGED TEAL |
25 |
75 |
- |
- |
- |
WOODDUCK |
5 |
25 |
10 |
15 |
- |
REDHEAD |
- |
- |
- |
- |
- |
CANVASBACK |
83,385 |
140,650 |
94,155 |
31,425 |
24,850 |
RINGNECK |
5,900 |
7,155 |
5,605 |
2,925 |
- |
SCAUP |
55,965 |
109,405 |
101,285 |
20,975 |
1,575 |
C. GOLDENEYE |
5,530 |
6,665 |
14,670 |
9,240 |
205 |
BUFFLEHEAD |
845 |
2,420 |
1,745 |
110 |
10 |
MERGANSER |
25 |
170 |
1,120 |
- |
1,195 |
RUDDY DUCK |
265 |
280 |
330 |
60 |
- |
DUCKS, GEESE & SWAN TOTALS |
192,490 |
333,505 |
297,410 |
117,105 |
57,990 |
PUDDLE DUCKS |
22,080 |
38,940 |
46,280 |
26,260 |
11,930 |
DIVING DUCKS |
151,915 |
266,745 |
218,910 |
64,735 |
27,835 |
Aerial surveys for the Fall 2004 migration have concluded as of December 14, 2004.
For additional information write or call:
Upper Mississippi River National Wildlife and Fish Refuge
51 East 4th Street, Room 101
Winona, Minnesota 55987
(507) 452-4232Select links below to view 2004 waterfowl numbers by District and Pool locations.