Tennessee National Wildlife Refuge
Southeast Region
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Waterfowl Population Summary

Tennessee National Wildlife Refuge

Refuge Total

Fall 2011/Winter 2012

  10/16/2011 11/1/2011 11/16/2011 12/1/2011 12/16/2011 1/1/2012 1/16/2012
2/1/2012
2/16/2012
 
to
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to
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  10/31/2011 11/15/2011 11/30/2011 12/15/2011 12/31/2011 1/15/2012 1/31/2012
2/15/2012
2/28/2012
Tundra Swan
Trumpeter Swan
Total Swans
0
0
0
0
0
0
 
Canada Goose
534
1,110
2,297
2,505
2,653
2,398
Cackling Goose
200
200
200
200
White-fronted Goose
100
100
590
900
1,250
1,750
Snow Goose
30
20
35
150
Ross's Goose
2
11
13
13
11
Total Geese
636
1,210
3,128
3,638
4,151
4,509
 
Mallard
2,457
27,112
81,997
91,458
92,493
40,517
Black Duck
56
451
1,047
1,562
1,610
560
Gadwall
6,698
11,992
16,904
18,611
14,407
8,518
American Wigeon
1,357
1,943
3,140
4,417
4,486
3,029
Pintail
1,488
5,651
6,547
6,711
5,990
2,760
Green-winged Teal
3,675
8,240
8,455
8,025
6,327
4,110
Blue-winged Teal
2
5
Shoveler
284
500
595
570
950
320
Wood Duck
87
59
76
29
63
57
Unidentified Duck
Redhead
10
20
Ring-necked Duck
130
4,230
8,280
9,538
8,202
4,450
Canvasback
334
225
43
133
3
Scaup
20
955
618
1,353
693
992
Common Goldeneye
164
187
290
181
Bufflehead
923
591
700
703
774
Ruddy Duck
185
1,095
2,080
2,104
2,015
2,310
Hooded Merganser
14
607
1,172
1,797
557
290
Common Merganser
Red-breasted Merganser
15
5
5
6
105
Total Ducks
16,463
64,132
131,896
147,110
138,925
68,976
 
Bald Eagle (Adult)
13
13
23
34
54
22
Bald Eagles (Immature)
18
23
22
31
54
15
Total Bald Eagles
31
36
45
65
108
38
 
Golden Eagles (Adult)
Golden Eagles (Immature)
1
Total Golden Eagles
0
0
0
0
0
1
 
Common Loon
83
127
25
52
28
36
American Coot
5,142
820
2,940
2,305
2,985
1,630
American White Pelican
1,664
200
9
Sandhill Crane
2
20
30
22
 
Survey Details
Type
Aerial
Aerial
Aerial
Aerial
Aerial
Aerial
Aerial
Aerial
Aerial
Area Coverage
100%
100%
100%
100%
100%
100%
100%
100%
100%
Date Conducted
No Survey
11.1.2011
11.18.2011
No Survey
12.21.11
1.3.2012
1.20.2012
2.2.2012
Observer
Wheat
Wheat
Wheat
Wheat
Wheat
Wheat
Wheat
Wheat
Wheat
Change from Last Year Survey During Same Period of Year (Geese)
N/A
+9%
+42%
-54%
-60%
-63%
-40%
Change from 5-Year Average During Same Period of Year (Geese)
N/A
-7%
+11%
-34%
-48%
-56%
-35%
Change from 10-Year Average During Same Period of Year (Geese)
N/A
-19%
-3%
-24%
-40%
-45%
-28%
 
Change from Last Year Survey During Same Period of Year (Duck)
N/A
-60%
-7%
-22%
-30%
-35%
-51%
Change from 5-Year Average During Same Period of Year (Duck)
N/A
-57%
-1%
-24%
-23%
-26%
-38%
Change from 10-Year Average During Same Period of Year (Duck)
N/A
-51%
+12%
-11%
-14%
-13%
-22%
 

 

Last updated: January 5, 2011