LISTED BELOW ARE THE AQUATIC PLANTS AND 
APPROXIMATE PERCENTAGE OF EACH EATEN BY 
THE FOUR WELL KNOWN SPECIES OF WILD DUCKS. 
MALLARD 
10% of Food Animal Life 
90% of Food Vegetation 
22% Sedges 
Rushes 
Burreed 
Chufa j 
Wampee 
14% Grasses ]\ \ 
Wild Rice 
Wild Millet ] , 
9% Smartweeds 
Duck Wheat 
9% Pondweeds 
Sago Pond Plant 
Redhead Grass 
Brownleaf 
Eel Grass 
Widgeon Grass 
6% Duckweeds 
Duck Meat 
6% Coontail 
5% Wild Celery I 
4% Hackberries 
4% Wapato & Delta 
Duck Potatoes 
8% Acorns 
4% Waterlily 
Banana Waterlily 
Yellow 
American Lotus 
3% Water Milfoil 
1% Muskgrass 
CANVASBACK 
8% of Food Animal Life 
92% of Food Vegetation 
38% Wild Celery 
18% Pondweeds 
Sago Pond Plant 
Naias 
Redhead Grass 
Brownleaf 
Eel Grass 
Widgeon Grass 
8% Wapato & Delta 
Duck Potato 
6% Waterlily 
Banana Waterlily 
Yellow 
American Lotus 
6% Muskgrass 
5% Grasses 
Wild Rice 
Wild Millet 
5% Sedges 
Cyperus 
Rushes 
Wampee 
1% Coontail 
1% Water Milfoil 
1% Duckweeds 
3% Unidentified & 
Miscell. 
BLACK DUCK 
24% of Food Animal Life 
76% of Food Vegetation 
33% Pondweeds 
Sago Pond Plant 
Naias 
Redhead Grass 
Brownleaf 
Eel Grass 
Widgeon Grass 
11% Grasses 
Wild Rice 
Wild Millet 
9% Sedges 
Bulrush 
Burreed 
Cyperus 
Wampee 
6% Smar tweeds 
Duck Wheat 
5% Waterlily 
Banana Waterlily 
Yellow ” 
Wokas 
American Lotus 
2% Coontail 
4% Wapato & Delta 
Duck Potato 
3% Wild Celery 
1% Muskgrass 
2% Miscellaneous 
REDHEAD 
14% of Food Animal Life 
86% of Food Vegetation 
30% Wild Celery 
17% Pondweeds 
Sago Pond Plant 
Naias 
Redhead Grass 
Brownleaf 
Eel Grass 
Widgeon Grass 
9% Wapato & Delta 
Duck Potato 
5% Duckweeds 
6% Muskgrass 
6% Grasses 
Wild Rice 
Wild Millet 
6% Sedges 
Rushes 
Burreed 
Wampee 
4% Waterlily 
Banana Waterlily 
Yellow 
American Lotus 
1% Water Milfoil 
1% Coontail 
2% Unidentified & 
Miscell. 
17 
