Waterfowl Population Summary
Tennessee National Wildlife Refuge
Duck River Unit
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 |
to |
to |
to |
to |
to |
to |
to |
to |
|
| 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 | 352 |
1,010 |
1,635 |
1,438 |
1,626 |
1,463 |
|||
| Cackling Goose | 200 |
200 |
200 |
200 |
|||||
| White-fronted Goose | 100 |
70 |
410 |
800 |
1,100 |
1,500 |
|||
| Snow Goose | 30 |
20 |
35 |
150 |
|||||
| Ross's Goose | 2 |
10 |
10 |
10 |
10 |
||||
| Total Geese | 454 |
1,080 |
2,285 |
2,468 |
2,971 |
3,323 |
|||
| Mallard | 2,282 |
17,740 |
56,029 |
62,741 |
46,029 |
15,628 |
|||
| Black Duck | 46 |
328 |
582 |
745 |
960 |
189 |
|||
| Gadwall | 5,910 |
9,708 |
9,681 |
14,056 |
9,146 |
2,511 |
|||
| American Wigeon | 1,337 |
1,710 |
2,052 |
3,632 |
3,143 |
2,247 |
|||
| Pintail | 1,488 |
5,636 |
6,382 |
6,646 |
4,830 |
2,520 |
|||
| Green-winged Teal | 3,469 |
7,860 |
8,170 |
7,772 |
5,597 |
3,405 |
|||
| Blue-winged Teal | 2 |
5 |
|||||||
| Shoveler | 284 |
480 |
550 |
570 |
950 |
300 |
|||
| Wood Duck | 57 |
55 |
22 |
19 |
39 |
37 |
|||
| Unidentified Duck | |||||||||
| Redhead | 10 |
||||||||
| Ring-necked Duck | 100 |
1,850 |
2,930 |
3,555 |
4,492 |
3,765 |
|||
| Canvasback | 250 |
13 |
13 |
||||||
| Scaup | 550 |
127 |
167 |
249 |
173 |
||||
| Common Goldeneye | 9 |
31 |
46 |
6 |
|||||
| Bufflehead | 611 |
249 |
428 |
382 |
342 |
||||
| Ruddy Duck | 90 |
38 |
5 |
35 |
|||||
| Hooded Merganser | 552 |
645 |
968 |
460 |
115 |
||||
| Common Merganser | |||||||||
| Red-breasted Merganser | 10 |
2 |
|||||||
| Total Ducks | 14,985 |
47,435 |
87,428 |
101,383 |
76,341 |
31,273 |
|||
| Bald Eagle (Adult) | 4 |
4 |
10 |
14 |
21 |
17 |
|||
| Bald Eagles (Immature) | 6 |
17 |
8 |
24 |
35 |
9 |
|||
| Total Bald Eagles | 10 |
21 |
18 |
38 |
56 |
26 |
|||
| Golden Eagles (Adult) | |||||||||
| Golden Eagles (Immature) | |||||||||
| Total Golden Eagles | 0 |
0 |
0 |
0 |
0 |
0 |
|||
| Common Loon | |||||||||
| American Coot | 420 |
2,320 |
2,205 |
2,680 |
1,328 |
||||
| American White Pelican | 1,530 |
200 |
9 |
4 |
|||||
| 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 | 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 |

