OSHKOSH, WISCONSIN 
AQUATIC PLANTS AND PERCENTAGE OF 
EACH EATEN BY THE BEST KNOWN 
VARIETIES OF WILD WATERFOWL 
This list compiled by us from data obtained from bulletins 
published by the U., S. Department of Agriculture, Bureau of 
Biological Survey, Washington, combined with knowledge gained 
by the examination of the contents of stomachs of wild water- 
fowl, taken from different sections of U. S. and Canada. 
MALLARD 
PINTAIL 
REDHEAD 
10% of Food Animal 
(Known as Sprig) 
14% of Food Animal 
90% of Food Vegetation 
87% of Food Vegetation 
86% of Food Vegetation 
22% Sedges 
13% of Food Animal 
30% Wild Celery 
Cyperus 
28% Pondweeds 
17% Pondweeds 
Rushes 
Brownleaf 
Sago Pond Plant 
Burreed 
Redhead Grass 
Naias 
Chufa 
Sago Pond Plant 
Redhead Grass 
Wampee 
Eel Grass 
Brownleaf 
14% Grasses 
Widgeon Grass 
Eel Grass 
Wild Rice 
Naias 
Widgeon Grass 
Wild Millet 
22% Sedges 
9% Wapato and Delta 
9% Smartweeds 
Bulrush 
Duck Potato 
Duck Wheat 
Three Square' Rush 
5% Duckweeds 
9% Pondweeds 
Chufa 
5% Muskgrass 
Sago Pond Plant 
Wampee 
6% Grasses 
Naias 
11% Grasses 
Wild Rice 
Redhead Grass 
Wild Rice 
Wild Millet 
Brownleaf 
Wild Millet 
6% Sedges 
Eel Grass 
7% Smartweeds 
Cyperus 
Widgeon Grass 
Duck Wheat 
Rushes 
6% Duckweeds. 
5% Muskgrass 
Burreed 
Duck Meat 
4% Delta and Wapato 
Wampee 
6% Coontail 
Duck Potato 
4% Waterlily 
5% Wild Celery 
3% Waterlily 
Banana “ 
4% Hackberries 
Banana “ 
Yellow “ 
4% Wapato and Delta 
Yellow “ 
Wokas 
Duck Potatoes 
Wokas 
American Lotus 
3% Acorns 
American Lotus 
1% Water Milfoil 
4% Waterlily 
1% Duckweeds 
1% Coontail 
Banana “ 
1% Milfoil 
2% L T nidentilied and 
Yellow “ 
1% Wild Celery 
Miscellaneous 
American Lotus 
4% Unidentified and 
3% Water Milfoil 
Miscellaneous 
1% Muskgrass 
TEAL Blue-Winged 
BLACK DUCK 
CANVASBACK 
27% of Food Animal 
24% of Food Animal 
8% of Food Animal 
73% of Focid Vegetation 
76% of Food Vegetation 
92% of Food Vegetation 
22% Sedges 
33% Pondweeds 
38% Wild Celery 
Cyperus 
Sago Pond Plant 
18% Pondweed 
Rushes 
Naias 
Sago Pond Plant 
Chufa 
Redhead Grass 
Naias 
W ampee 
Brownleaf 
Redhead Grass 
16% Pondweeds 
Eel Grass 
Brownleaf 
Sago Pond Plant 
Widgeon Grass 
Eel Grass 
Naias 
11% Grasses 
Widgeon Grass 
Redhead Grass 
Wild Rice 
8% Wapato and Delta 
Brownleaf 
Wild Millet 
Duck Potato 
Eel Grass 
9% Sedges 
6%; Waterlily 
Widgeon Grass 
Bulrush 
Banana “ 
14% Grasses 
Burreed 
Yellow “ 
Wild Rice 
Cyperus 
American Lotus 
Wild Millet 
6% Smartweeds 
6% Muskgrass 
9% Smartweeds 
Duck Wheat 
5% Grasses 
Duck Wheat 
5% Waterlily 
Wild Rice 
4% Muskgrass 
Banana “ 
Wild Millet 
2% Waterlily 
Yellow “ 
5% Sedges 
Banana “ 
Wokas 
Cyperus 
Yellow “ 
American Lotus 
Rushes 
Wokas 
2% Coontail 
Warn nee 
American Lotus 
4% Wapato and Delta 
1% Coontail 
1% Water Milfoil 
Duck Potato 
1% Water Milfoil 
1% Burreed 
3% Wild Celery 
1% Duckweeds 
4% Unidentified and 
1% Muskgrass 
3% Unidentified and 
Miscellaneous 
2% Miscellaneous 
Miscellaneous 
This is the average percentage of foods covering a large 
territory and wide range of growing conditions, which may 
vary in different localities where some plants grow more abund¬ 
antly than others. 
I Pane 3] 
