Tennessee National Wildlife Refuge
Southeast Region
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Waterfowl Population Summary

Tennessee National Wildlife Refuge

REFUGE TOTAL

Fall 2007/Winter 2008

  11/1/2006 11/16/06 12/1/2006 12/16/06 1/1/2007 1/16/2007 2/1/2007 2/16/2007 3/1/2007
  to to to to to to to to to
  11/15/2006 11/30/2006 12/15/2006 12/31/2006 1/15/2007 1/31/2007 2/15/2007 2/29/07 3/16/2007
Tundra Swan                  
Trumpeter Swan                  
Total Swans 0 0 0 0 0 0 0 N/A 0
 
Canada Goose 668 599 1,825 3,451 8,601 8,094 3,327   165
Cackling Goose       200 75 200 200    
White-fronted Goose   120 150 125 450 550 650   10
Snow Goose       400 51 10      
Ross's Goose     11 5 2   10    
Total Geese 668 719 1,986 4,181 9,179 8,854 4,187 N/A 175
 
Mallard 7,714 27,614 72,270 128,771 135,499 160,333 61,884   1,909
Black Duck 82 669 1,637 2,525 4,274 4,393 1,047   65
Gadwall 10,262 21,168 29,711 25,611 23,978 16,073 9,779   1,644
American Wigeon 3,150 5,001 4,335 2,477 5,182 4,175 2,407   812
Pintail 1,383 3,865 3,718 7,162 8,272 5,800 4,140    
Green-winged Teal 4,122 8,882 9,103 12,968 8,190 6,755 8,600   295
Blue-winged Teal 30     4          
Shoveler 55 47 96 261 405 988 305   962
Wood Duck 93 93 104 86 89   88   63
Unidentified Duck                  
Redhead   89 100 10   11     20
Ring-necked Duck 1,600 6,360 9,748 7,065 13,312 15,775 5,065   1,177
Canvasback   229 340 1,050 2,400 1,550 1,705    
Scaup 338 1,180 3,224 2,359 1,296 815 1,767   676
Common Goldeneye     7 205 88 68 59   32
Bufflehead 10 465 529 631 805 665 561   679
Ruddy Duck 210 588 895 2,875 2,400 1,540 845   2,053
Hooded Merganser 160 212 706 663 493 433 278   163
Common Merganser                  
Red-breasted Merganser     11 30 60 33 82   91
Total Ducks 29,209 76,462 136,534 194,753 206,743 219,407 98,612 N/A 10,641
 
Bald Eagle (Adult) 7 6 14 15 15 17 13   11
Bald Eagles (Immature) 7 12 19 15 23 34 21   4
Total Bald Eagles 14 18 33 30 38 51 34 N/A 15
 
Golden Eagles (Adult)       1   2      
Golden Eagles (Immature)                  
Total Golden Eagles 0 0 0 1 0 2 0 N/A 0
 
Common Loon   41 61 28 46 17 22   34
American Coot 16,250 37,545 9,840 9,570 10,985 7,490 5,531   6,981
American White Pelican 710 1,575 520 176          
Sandhill Crane     4   20 25      
 
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 11/1/2007 11/16/2007 12/3/2007 12/17/2007 1/9/2008 1/23/2008 2/11/2008 No Survey 3/5/2008
Observer Wheat Wheat Wheat Wheat Wheat Wheat Wheat   Wheat
Change from Last Year Survey During Same Period of Year (Geese) 12% -35% -41% 10% 108% 101% 62%   No survey last year
Change from 5-Year Average During Same Period of Year (Geese) -18% -46% -19% 12% 68% 62% -18%   7%
Change from 10-Year Average During Same Period of Year (Geese) -33% -51% -7% 10% 24% 20% -31%   -34%
 
Change from Last Year Survey During Same Period of Year (Duck) -10% 54% -1% 48% 59% 139 35%   No survey last year
Change from 5-Year Average During Same Period of Year (Duck) -1% 60% 52% 59% 58% 74% 59%   88%
Change from 10-Year Average During Same Period of Year (Duck) -3% 59% 78% 38% 30% 61% 30%   -42%

 

Last updated: December 7, 2009