ae ee ea WOW OO WOOHOO YEO’ OO FS 
YY Aquatic Plants and Percentage of Each Eaten by the Best Known Wild Waterfowl 4 
Wy This list compiled by us from data obtained from bulletins published by the U. S. Department of Agriculture, Bureau aS 
We of Biological Survey, Washington, combined with knowledge gained by the examination of the contents of stomachs of wild water- a> 4 
YY fowl, taken from different sections of U. S. and Canada. We 
yo MALLARD PINTAIL BLUEBILL REDHEAD TEAL Blue-Winged y 
™ Known as Sprig ay 4 
YW 10% of Food Animal 13% of Food Animal 15% of Food Animal 14% of Food Animal 27% of Food Animal 
Py 90% of Food Vegetation |87% of Food Vegetation |85% of Food Vegetation |86% of Food Vegetation |73% of Food Vegetation ye 
Y 18% Sedges 28% Pondweeds 21% Wild Celery 20% Wild Celery 22% Sedges 
YY Cyperus Brownleaf 25% Pondweeds 27% Pondweeds Cyperus 4 
> Rushes Redhead Grass Sago Pond Plant Sago Pond Plant Rushes ye 
Ye Burreed Sago Pond Plant Naias Naias Chufa 
Chufa Eel Grass Redhead Grass Redhead Grass Wampee 4 
\ Wampee Wigeongrass Brownleaf Brownleaf 16% Pondweeds ° 
’ 16% Grasses Naias Eel Grass Eel Grass Sago Pond Plant 4 
+o Wild Rice 22% Sedges Wigeongrass Wigeongrass Naias 
m Wild Millet Bulrush 9% Muskgrass 9% Wapato and Deep Redhead Grass 4 
YY 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% Muskerass Wigeongrass 
sci Sago Pond Plant 11% Grasses 4% Coontail 1% Grasses 14% Grasses a> 4 
>? Naias Wild Rice 4% Grasses Wild Rice Wild Rice a7 
Redhead Grass Wild Millet Wild Rice Wild Millet Wild Millet 
a Brownleaf 7% Smartweeds Wild Millet 1% Sedges 9% Smartweeds Fa 
Pe Eel Grass Duck Wheat 4% Sedges Cyperus Duck Wheat ’ 
YY Wigeongrass 5% Muskgrass Cyperus mashes 4% Muskgrass We 
aes 6% Duckweeds 4% Wapato and Deep Rushes Burreed 2% Waterlily 
> Duck Meat Water Duck Potato Burreed Wampee Banana “ ye 
yo 6% Coontail 3% Waterlily Chufa 1% Waterlily Yellow “ § 
’ 5% Wild Celery Banana “ Wampee Bananas Wokas 4 
yo 4% Hackberries Yellow “ 2% Waterlily Yellow “ American Lotus 
™ 4% Wapato and Deep Wokas Banana “ Wokas 1% Water Milfoil a> 4 
<4 Water Duck Potato American Lotus Yellow ‘ American Lotus 1% Burreed SK 
<3 3% Acorns 1% Duckweeds Wokas Water Milfoil 4% Unidentified and 
yo 4% Waterlily 1% Milfoil American Lotus 1% Coontail Miscellaneous Bye 
" Banana “ 1% Wild Celery 1% Water Milfoil 16% Unidentified and % 
y Yellow “ 4% Unidentified and 3% Unidentified and Miscellaneous a 4 
” American Lotus Miscellaneous Miscellaneous 
ee 3% Water Milfoil a 4 
™ 1% Muskgrass 
YY —= 
Paye 32 ; 
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