Waterfowl Population Summary

Tennessee National Wildlife Refuge

Big Sandy 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		182	100		490	1,027	845	807
Cackling Goose
White-fronted Goose			30		180	100	150	250
Snow Goose
Ross's Goose					1	3	3	1
Total Geese		182	130		671	1,130	998	1,058
Mallard		175	9,246		25,547	25,012	39,425	23,279
Black Duck		10	119		429	645	440	316
Gadwall		788	2,224		7,103	3,915	4,332	5,332
American Wigeon		20	223		1,088	700	923	552
Pintail			15		155	20	715	110
Green-winged Teal		206	380		285	253	730	705
Blue-winged Teal
Shoveler			20		40
Wood Duck		5					10
Unidentified Duck
Redhead			20
Ring-necked Duck		30	2,380		5,330	5,950	3,690	620
Canvasback			84		225	30	120	3
Scaup		20	405		491	1,186	444	819
Common Goldeneye					155	156	244	175
Bufflehead			312		342	272	321	432
Ruddy Duck		185	1,005		2,080	2,066	2,010	2,275
Hooded Merganser		14	55		522	829	77	175
Common Merganser
Red-breasted Merganser			5		5	3	6	105
Total Ducks		1,453	16,493		43,797	41,037	53,487	34,898
Bald Eagle (Adult)		9	9		13	20	33	5
Bald Eagles (Immature)		12	6		14	7	19	6
Total Bald Eagles		21	15		27	27	52	11
Golden Eagles (Adult)
Golden Eagles (Immature)
Total Golden Eagles		0	0		0	0	0	0
Common Loon		83	127		25	52	28	36
American Coot		2,900	400		570	100		302
American White Pelican		134
Sandhill Crane			2			20	30	22
Survey Details
Type		Aerial	Aerial	Aerial	Aerial	Aerial	Aerial	Aerial	Aerial
Area Coverage		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