Each week during fall migration, biologists fly the Mississippi River to count the number of waterfowl using Pools 4 through 13 of the Refuge.
Due to survey techniques, this total number is not necessarily the total number of waterfowl in a specific pool.
|
SPECIES |
Sept. 27, 2005 Pools 4-11 TOTAL |
October 3, 2005 Pools 9-11 Total |
October 14, 2005
Pools 4, 5, 6-11 Total |
October 18, 2005
Pools 9-11 and 13 Total |
October 24, 2005 Pools 4- 13 Total |
Nov. 1, 2005 Pools 4- 13 Total |
Nov. 8, 2005 Pools 4-13 TOTAL |
|
SWANS |
- |
975
|
1,540
|
2,975 |
|||
|
CANADA GEESE |
2,238 |
1,685
|
4,370
|
2,370
|
13,315
|
11,425
|
16,685 |
|
OTHER GEESE |
- |
|
|
|
40
|
|
- |
|
MALLARD |
4,005 |
3,690
|
6,130
|
12,260
|
18,140
|
39,850
|
41,155 |
|
BLACKDUCK |
10 |
|
|
|
20
|
40
|
60 |
|
PINTAIL |
285 |
15
|
15
|
30
|
375
|
355
|
870 |
|
GADWALL |
550 |
|
1,020
|
160
|
7,635
|
12,175
|
17,435 |
|
WIGEON |
3,185 |
1,380
|
5,330
|
515
|
3,095
|
9,850
|
5,040 |
|
N. SHOVELER |
5 |
|
|
|
715
|
170
|
245 |
|
BLUE-WINGED TEAL |
1,905 |
250
|
2,225
|
195
|
190
|
75
|
- |
|
GREEN-WINGED TEAL |
345 |
|
|
|
395
|
360
|
685 |
|
WOODDUCK |
320 |
60
|
30
|
165
|
65
|
130
|
130 |
|
REDHEAD |
- |
|
|
|
280
|
125
|
470 |
|
CANVASBACK |
|
37,455
|
69,690
|
199,285
|
309,865
|
346,630 |
|
|
RINGNECK |
- |
|
|
4,000
|
7,265
|
29,955
|
37,250 |
|
SCAUP |
|
|
2,000
|
27,870
|
32,835
|
142,375
|
130,295 |
|
C. GOLDENEYE |
- |
|
|
|
345
|
1,480
|
1,930 |
|
BUFFLEHEAD |
- |
|
|
|
60
|
45
|
1,650 |
|
MERGANSER |
- |
|
|
|
65
|
15
|
- |
|
RUDDY DUCK |
- |
|
|
|
120
|
80
|
1,000 |
|
|
|
|
|
|
|
|
|
|
DUCKS, GEESE & SWAN TOTALS |
12,848 |
7,080
|
58,575
|
117,255
|
285,215
|
559,910
|
604,505 |
|
|
|
|
|
|
|
|
|
|
PUDDLE DUCKS |
10,610 |
6,396
|
14,750
|
13,325
|
30,630
|
63,005
|
65,620 |
|
DIVING DUCKS |
|
|
39,455
|
101,560
|
240,255
|
483,940
|
519,225 |
|
SPECIES |
Nov. 14, 2005 Pools 4-8 TOTAL |
Nov. 22, 2005 Pools 4-13 TOTAL |
|
Swans |
7,765 |
34,730 |
|
|
7,565 |
15,035 |
|
OTHER GEESE |
|
- |
|
MALLARD |
24,350 |
45,890 |
|
BLACKDUCK |
270 |
55 |
|
PINTAIL |
330 |
285 |
|
GADWALL |
6,165 |
6,730 |
|
WIGEON |
4,270 |
500 |
|
N. SHOVELER |
90 |
70 |
|
BLUE-WINGED TEAL |
- |
- |
|
GREEN-WINGED TEAL |
- |
20 |
|
WOODDUCK |
5 |
20 |
|
REDHEAD |
150 |
130 |
|
CANVASBACK |
69,275 |
159,310 |
|
RINGNECK |
35,910 |
5,580 |
|
SCAUP |
27,532 |
59,325 |
|
C. GOLDENEYE |
8,935 |
9,245 |
|
BUFFLEHEAD |
1,205 |
1,270 |
|
MERGANSER |
45 |
965 |
|
RUDDY DUCK |
210 |
520 |
|
|
|
|
|
DUCKS, GEESE & SWAN TOTALS |
194,072 |
339,680 |
|
|
|
|
|
PUDDLE DUCKS |
35,480 |
53,570 |
|
DIVING DUCKS |
143,262 |
236,345 |
For additional information write or call:
Upper Mississippi River National Wildlife and Fish Refuge
51 East 4th Street, Room 101
Winona, Minnesota 55987
(507) 452-4232
Friends of the Upper Mississippi Refuges
U.S. Fish and Wildlife Service
Disclaimer