Upper Mississippi River Refuge
Midwest Region
Upper Mississippi River National Wildlife and Fish Refuge
Waterfowl Surveys 2007

WATERFOWL SURVEYS

Each week during fall migration, biologists fly the Mississippi River
to count the number of waterfowl using Pools 4 - 14 of the Refuge.

Due to survey techniques, this total number is not necessarily the total number of waterfowl in a specific pool.

Select links below to view 2007 waterfowl numbers by District and Pool locations.

To print this table: highlight table > copy > open Word or other software > paste > print

SPECIES

September 27, 2007

Pools 4-11

TOTAL

October 3, 2007

Pools 4-11

TOTAL

October 9, 2007

Pools 4-14

TOTAL

October 17, 2007

Pools 4-11

TOTAL

October 22, 2007

Pools 4-14

TOTAL
SWANS                         -                            5                  -                          15                      135
CANADA GEESE                   4,145                   5,750             8,000                   7,445                 10,365
OTHER GEESE                         -                           -                    -                           -                           -  
MALLARD                   7,265                 13,545           16,995                 18,355                 21,625
BLACK DUCK                        10                        20                  -                          40                        45
PINTAIL                      140                      220             1,040                      765                   2,220
GADWALL                   3,460                   7,100             4,245                 12,740                 21,040
WIGEON                   7,570                   2,825             1,795                   3,190                   5,065
N. SHOVELER                        20                        55                 50                      165                      485
BLUE-WINGED TEAL                   1,520                      485                180                        80                          5
GREEN-WINGED TEAL                   1,955                   1,250                490                      815                   1,330
WOOD DUCK                      645                      290                195                      210                      120
REDHEAD                         -                           -                    -                           -                           -  
CANVASBACK                      260                   2,640             4,785                 19,720               189,195
RINGNECK                         -                        290                255                   1,495                 21,030
SCAUP                         -                           -                   800                   6,380                 22,095
C. GOLDENEYE                         -                           -                    -                           -                        115
BUFFLEHEAD                         -                           -                    -                           -                        100
MERGANSER                         -                           -                    -                           -                           -  
RUDDY DUCK                         -                           -                    -                          15                   1,860
         
DUCKS, GEESE & SWAN TOTALS                 26,990                 34,475           38,830                 71,430               296,830
         
PUDDLE DUCKS                 22,585                 25,790           24,990                 36,360                 51,935
DIVING DUCKS                      260                   2,930             5,840                 27,610               234,395
         
OTHER SPECIES        
GREAT BLUE HERON                        44                        40                 21                        20                          4
GREAT EGRET                      140                      185                264                        66                      148
BALD EAGLE                        25                        40                 83                      104                      206
COOT                 39,060                 56,500           57,490                 73,306               101,000
WHITE PELICAN                   6,800                   6,385             6,197                   3,870                   3,445
CORMORANT                   4,665                   3,855             5,440                   3,715                   1,391

 

SPECIES

October 29, 2007

Pools 4-14

TOTAL

November 8, 2007

Pools 7-11 only

Total

November 13, 2007

Pools 4-14

TOTAL

November 21, 2007

Pools 9-14 only

TOTAL

November 26, 2007

Pools 4-14

TOTAL

Dec. 4, 2007

Pools 12-14 only

(Last survey)

TOTAL

SWANS

                  1,385

                  2,325

                11,155

                  1,895

      23,375

           675

CANADA GEESE

                12,635

                  6,330

                13,765

                  5,205

       17,395

         3,160

OTHER GEESE

                        -  

                        -  

                        -  

                        -  

              -  

              -  

MALLARD

                31,050

                20,495

                38,620

                19,335

      56,395

        10,610

BLACK DUCK

                       80

                        -  

                       20

                        -  

             25

              -  

PINTAIL

                  1,310

                       75

                  3,805

                  4,330

         6,170

              -  

GADWALL

                14,465

                  4,520

                28,530

                  6,220

       12,235

              -  

WIGEON

                  5,855

                     350

                  3,405

                     335

           765

              -  

N. SHOVELER

                        -  

                        -  

                       80

                        -  

              -  

              -  

BLUE-WINGED TEAL

                        -  

                        -  

                        -  

                        -  

              -  

              -  

GREEN-WINGED TEAL

                  1,945

                     160

                  1,535

                  1,000

              10

              -  

WOOD DUCK

                     425

                        -  

                        -  

                        -  

              -  

              -  

REDHEAD

                     400

                        -  

                  1,045

                        -  

              -  

              -  

CANVASBACK

              284,885

              260,565

              130,375

                74,790

      55,370

           550

RINGNECK

                21,325

                  7,295

                31,915

                  1,060

        8,695

              -  

SCAUP

                43,705

                52,450

                55,215

                52,060

      25,350

              -  

C. GOLDENEYE

                  1,485

                     200

                  1,470

                  1,345

         5,190

           275

BUFFLEHEAD

                  1,385

                  1,555

                     435

                  1,480

         2,210

             50

MERGANSER

                     160

                        -  

                     180

                       70

         2,160

           850

RUDDY DUCK

                     815

                        -  

                     490

                     700

             20

              -  

             

DUCKS, GEESE & SWAN TOTALS

              423,310

              356,320

              322,040

              169,825

     214,565

        16,170

             

PUDDLE DUCKS

                55,130

                25,600

                75,995

                31,220

      74,800

        10,610

DIVING DUCKS

              354,160

              322,065

              221,125

              131,505

      98,995

         1,725

             

OTHER SPECIES

            

GREAT BLUE HERON

                       26

                        -  

                         3

                        -  

                1

              -  

GREAT EGRET

                       36

                        -  

                         1

                        -  

              -  

              -  

BALD EAGLE

                     334

                     199

                     507

                       99

           330

            145

COOT

              117,195

                24,700

                53,600

                10,135

        17,195

              -  

WHITE PELICAN

                  2,491

                     204

                     433

                     660

            175

              -  

CORMORANT

                  1,255

                       32

                       75

                         4

              -  

              -  

 

Winona District Pools 4-6
La Crosse District Pools 7-8
McGregor District Pools 9-11
Savanna District Pools 12-14

Last updated: April 15, 2009