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2004 WATERFOWL AERIAL SURVEYS

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	October 6, 2004 Pools 9-11 only TOTAL	October 12, 2004 Revised Pools 4-13 TOTAL	October 18, 2004 Pools 10-11 were not flown TOTAL	October 25, 2004 Pools 9-11 were not flown TOTAL	November 1, 2004 Pools 12 and 13 were not flown TOTAL	November 9, 2004 TOTAL
SWANS	-		55	180	1,455	8,275
CANADA GEESE	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
SWANS	11,160	16,595	18,775	15,505
CANADA GEESE	7,335	11,225	13,445	10,605
OTHER GEESE	-	-	-	-
MALLARD	17,175	30,095	39,995	21,115
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
RINGNECK	5,900	7,155	5,605	2,925
SCAUP	55,965	109,405	101,285	20,975
C. GOLDENEYE	5,530	6,665	14,670	9,240
BUFFLEHEAD	845	2,420	1,745	110
MERGANSER	25	170	1,120	-
RUDDY DUCK	265	280	330	60

DUCKS, GEESE & SWAN TOTALS	192,490	333,505	297,410	117,105

PUDDLE DUCKS	22,080	38,940	46,280	26,260
DIVING DUCKS	151,915	266,745	218,910	64,735

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