BRO ROI OO YY YY YY 
eo 
nee 
Aquatic Plants and Percentage of Each Eaten by the Best Known Wild Waterfowl 
This list compiled by us from data obtained from bulletins published by the U. S. Department of Agriculture, 
of Biological Survey, Washington, combined with knowledge gained by the examination of the contents of stomachs of wild water- 
Bureau 




yo fowl, taken from different sections of U. S. and Canada. 
yo MALLARD PINTAIL BLUEBILL 
ss Known as Sprig 
ye 10% of Food Animal 13% of Food Animal 15% of Food Animal 
a 90% of Food Vegetation |87% of Food Vegetation |85% of Food Vegetation 
¢ 22% Sedges 28% Pondweeds 31% Wild Celery 
SE Cyperus Brownleaf 15% Pondweeds 
Yé Rushes Redhead Grass Sago Pond Plant 
Ta Burreed Sago Pond Plant Naias 
YY Chufa Eel Grass Redhead Grass 
ee Wampee Widgeon Grass Brownleaf 
>- 14% Grasses Naias Eel Grass 
Soa Wild Rice 22% Sedges Widgeon Grass 
ye Wild Millet Bulrush 9% Muskgrass 
v" 9% Smartweeds Three Square Rush 7% Wapato and Delta 
YY Duck Wheat Chufa Duck Potato 
Fs 9% Pondweeds Wampee 5% Dueckweeds 
YY Sago Pond Plant 11* Grasses 4% Coontail 
eh Naias Wild Rice 4% Grasses 
7 Redhead Grass Wild Millet Wild Rice 
yo Brownleaf 7% Smartweeds Wild Millet 
’ Eel Grass Duck Wheat 4% Sedges 
ye Widgeon Grass 5% Muskgrass Cyperus 
: 6% Duckweeds 4% Delta and Wapato Rushes 
»~ Duck Meat Duck Potato Burreed 
ee 6% Coontail 38% Waterlily Chufa 
¢ 5% Wild Cherry Banana “ Wampee 
oe 4% Hackberries Yellow “ 2% Waterlily 
y~ 4% Wapato and Delta Wokas Banana “ 
OZ Duck Potatoes American Lotus Yellow ‘‘ 
> 3% Acorns 1% Duckweeds Wokas 
Pe 4% Waterlily 1% Milfoil American Lotu 
»¢ Banana “ 1% Wild Celery 1% Water Milfoil 
A Yellow 4% Unidentified and 3% Unidentified and 
> American Lotus Miscellaneous Miscellaneous 
3% Water Milfoil 
Y 10h 
Muskerass 



a 
REDHEAD 
4% of Food Animal 
86% of Food Vegetation 
3 
1 
TEAL Blue-Winged 
27% of Food Animal 
73% of Food Vegetation 

0% 
yp 
7% 
Wild Celery 
Pondweeds 
Sago Pond Plant 
Naias 
Redhead Grass 
Brownleatf 
Eel Grass 
Widgeon Grass 
Wapato and Delta 
Duck Potato 
o Duckweeds 
Muskgrass 
% Grasses 
Wild Rice 
Wild Millet 
© Sedges 
Syperus 
Rushes 
Burreed 
Wampee 
© Watcrlily 
Banana “‘ 
Yellow * 
Wokas 
American Lotus 
1% Water Milfoil 
1% Coontail 
% Unidentified and 
Miscellaneous 



22% Sedges 
Cyperus 
Rushes 
Chufa 
Wampee 
Pondweeds 
Sago Pond Plant 
Naias 
Redhead Grass 
Brownleaf 
Eel Grass 
Widgeon Grass 
Grasses 
Wild Rice 
Wild Millet 
Smartweeds 
Duck Wheat 
4% Muskgrass 
2% Waterlily 
Banana ‘‘ 
Yellow 
Wokas 
American Lotus 
1% Water Milfoil 
1% Burreed 
4% Unidentified and 
Miscellaneous 
16% 
14% 
9% 
“ 

ye 
’ Page 34 
OOOO AIO OANA WA BIA BRB? B™ 
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