Waterfowl Population Summary
Tennessee National Wildlife Refuge
Big Sandy Unit
Fall 2010/Winter 2011
| 10/16/2010 | 11/1/2010 | 11/16/2010 | 12/1/2010 | 12/16/2010 | 1/1/2011 | 1/16/2011 |
2/1/2011 |
2/16/2011 |
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to |
to |
to |
to |
to |
to |
to |
to |
to |
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| 10/31/2010 | 11/15/2010 | 11/30/2010 | 12/15/2010 | 12/31/2010 | 1/15/2011 | 1/31/2011 |
2/15/2011 |
2/28/2011 |
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| Tundra Swan | |||||||||
| Trumpeter Swan | |||||||||
| Total Swans | 0 |
0 |
0 |
0 |
0 |
0 |
0 |
0 |
0 |
| Canada Goose | 20 |
25 |
75 |
285 |
2,797 |
2,696 |
5,037 |
1,314 |
1,253 |
| Cackling Goose | |||||||||
| White-fronted Goose | 125 |
80 |
80 |
300 |
260 |
60 |
|||
| Snow Goose | 3 |
10 |
10 |
25 |
|||||
| Ross's Goose | 10 |
1 |
|||||||
| Total Geese | 20 |
28 |
85 |
420 |
2,877 |
2,786 |
5,363 |
1,574 |
1,313 |
| Mallard | 50 |
734 |
7,368 |
14,834 |
29,797 |
46,620 |
45,678 |
2,731 |
358 |
| Black Duck | 1 |
15 |
152 |
194 |
639 |
1,828 |
1,357 |
108 |
69 |
| Gadwall | 440 |
1,708 |
1,365 |
1,700 |
3,089 |
4,665 |
3,519 |
120 |
118 |
| American Wigeon | 10 |
110 |
197 |
570 |
760 |
1,425 |
1,215 |
152 |
|
| Pintail | 250 |
100 |
435 |
||||||
| Green-winged Teal | 23 |
140 |
90 |
150 |
160 |
460 |
900 |
20 |
110 |
| Blue-winged Teal | |||||||||
| Shoveler | 25 |
40 |
20 |
10 |
|||||
| Wood Duck | 4 |
10 |
|||||||
| Unidentified Duck | |||||||||
| Redhead | |||||||||
| Ring-necked Duck | 14 |
4 |
700 |
2,020 |
4,175 |
5,520 |
4,670 |
295 |
250 |
| Canvasback | 90 |
1,180 |
1,060 |
660 |
85 |
285 |
|||
| Scaup | 20 |
5 |
1,373 |
883 |
1,939 |
1,603 |
307 |
470 |
500 |
| Common Goldeneye | 10 |
86 |
947 |
1,171 |
200 |
536 |
105 |
||
| Bufflehead | 180 |
311 |
450 |
586 |
287 |
216 |
207 |
||
| Ruddy Duck | 13 |
270 |
273 |
1,069 |
1,647 |
1,831 |
1,824 |
1,923 |
1,829 |
| Hooded Merganser | 8 |
72 |
646 |
254 |
1,183 |
485 |
381 |
44 |
42 |
| Common Merganser | 4 |
||||||||
| Red-breasted Merganser | 2 |
14 |
35 |
210 |
29 |
||||
| Total Ducks | 579 |
3,062 |
12,391 |
22,175 |
46,291 |
67,588 |
61,462 |
6,700 |
3,883 |
| Bald Eagle (Adult) | 3 |
7 |
7 |
8 |
28 |
17 |
18 |
13 |
12 |
| Bald Eagles (Immature) | 1 |
3 |
8 |
6 |
13 |
6 |
21 |
21 |
24 |
| Total Bald Eagles | 4 |
10 |
15 |
14 |
41 |
23 |
39 |
34 |
36 |
| Golden Eagles (Adult) | |||||||||
| Golden Eagles (Immature) | |||||||||
| Total Golden Eagles | 0 |
0 |
0 |
0 |
0 |
0 |
0 |
0 |
0 |
| Common Loon | 16 |
146 |
53 |
13 |
37 |
5 |
24 |
||
| American Coot | 1,395 |
2,434 |
1,160 |
259 |
565 |
120 |
220 |
120 |
235 |
| American White Pelican | 66 |
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| Sandhill Crane | |||||||||
| 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 | 10/18/2010 | 11/1/2010 |
11/19/2010 |
12/1/2010 |
12/17/2010 |
1/3/2011 |
1/19/2011 |
2/3/2011 |
2/16/2011 |
| Observer | Wheat |
Wheat |
Wheat |
Wheat |
Wheat |
Wheat |
Wheat |
Wheat |
Wheat |
