i a a a a a WW an. To ee oY 
RY YOY YOY YOY YOY OY YOY YOY ¥ OF OY OY OV YOY Ye 
Aquatic Plants and Percentage of Each Eaten by the Best Known Wild Waterfowl 4 
This list compiled by us from data obtained from bulletins published by the U. S. Department of Agriculture, Bureau RS 
of Biological Survey, Washington, combined with knowledge gained by the examination of the contents of stomachs of wild water- ye 
fowl, taken from different sections of U. S. and Canada. me 
MALLARD PINTAIL BLUEBILL REDHEAD TEAL Blue-Winged 3 
Known as Sprig ey 4 
10% of Food Animal 18% of Food Animal 15% of Food Animal 14% of Food Animal 27% of Food Animal 
90% of Food Vegetation |87% of Food Vegetation |85% of Food Vegetation |86% of Food Vegetation |73% of Food Vegetation ey 4 
18% Sedges 28% Pondweeds 21% Wild Celery 20% Wild Celery 22% Sedges BY 4 
Cyperus Brownleaf 25% Pondweeds 27% Pondweeds Cyperus 
Rushes Redhead Grass Sago Pond Plant . Sago Pond Plant Rushes >a 
Burreed Sago Pond Plant Naias Naias Chufa 
Chufa Eel Grass Redhead Grass Redhead Grass Wampee a? 4 
Wampee Wigeongrass Brownleaf Brownleaf 16% Pondweeds ° 
16% Grasses Naias Eel Grass Eel Grass Sago Pond Plant Te 
Wild Rice 22% Sedges Wigeongrass Wigeongrass Naias 
Wild Millet Bulrush 0% Musketass 9% Wavate and Dest Redhead Grass a> 4 
10% Smartweeds Three Square Rush 7% Wapato and Deep Water Duck Potato Brownleaf 
Duck Wheat Chufa Water Duck Potato} 3% Duckweeds Eel Grass 4 
10% Pondweeds Wampee 5% Duckweeds 7% Muskgrass Wigeongrass ay 4 
Sago Pond Plant 11% Grasses 4% Coontail 1% Grasses 14% Grasses 
Naias Wild Rice 4% Grasses Wild Rice Wild Rice ar 4 
Redhead Grass Wild Millet Wild Rice Wild Millet Wild Millet y 
Brownleaf 7% Smartweeds Wild Millet 1% Sedges 9% Smartweeds Dy 4 
Eel Grass Duck Wheat 4% Sedges Cyperus ; Duck Wheat " 
Wigeongrass 5% Muskgrass Cyperus Rushes 4% Muskerass ye 
6% Duckweeds 4% Wapato and Deep Rushes Burreed 2% Waterlily : 
Duck Meat Water Duck Potato Burreed Wampee Banana * 4 
6% Coontail 3% Waterlily Chufa 1% Waterlily Yellow BY 4 
5% Wild Celery Banana “ Wampee Banana “ Wokas 
4% Hackberries Yellow “ 2% Waterlily Yellow “ American Doo ae 
4% Wapato and Deep Wokas Banana “ Wokas 1% Water Milfoil 
Water Duck Potato American Lotus Yellow ‘“ American Lotus 1% Burreed | KC 
3% Acorns 1% Duckweeds Wokas Water Milfoil 4% Unidentified and 
4% Waterlily 1% Milfoil American Lotus 1% Coontail Miscellaneous ey 
Banana “‘ 1% Wild Celery 1% Water Milfoil 16% Unidentified and ¥ 
Yellow “ 4% Unidentified and 3% Unidentified and Miscellaneous ey 4 
American Lotus Miscellaneous Miscellaneous 
3% Water Milfoil a 
1% Muskgrass DY 4 
Bore OO SOOO BBR BEB BB BBB? 
Page 32 
& 
