LISTED BELOW ARE THE AQUATIC PLANTS AND 
APPROXIMATE PERCENTAGE OF EACH EATEN BY 
THE FOUR WELL KNOWN SPECIES OF WILD DUCKS. 
MALLARD 
BLACK DUCK 
10% 
of Food Animal Life 
24% 
of Food Animal Life 
90% 
of Food Vegetation 
76% 
of Food Vegetation 
22% 
Sedges 
33% 
Pondweeds 
Rushes 
Sago Pond Plant 
Burreed 
Naias 
Chufa 
Redhead Grass 
Wampee 
Brownleaf 
14% 
Grasses 
Eel Grass 
Wild Rice 
Widgeon Grass 
Wild Millet 
11% 
Grasses 
9% 
Smartweeds 
Wild Rice 
Duck Wheat 
Wild Millet 
9% 
Pondweeds 
9% 
Sedges 
Sago Pond Plant 
Bulrush 
Redhead Grass 
Burreed 
Brownleaf 
Cyperus 
Eel Grass 
Wampee 
Widgeon Grass 
6% 
Smartweeds 
6% 
Duckweeds 
Duck Wheat 
Duck Meat 
5% 
Waterlily 
6% 
Coontail 
Banana Waterlily 
5% 
Wild Celery 
Yellow 
4% 
Hackberries 
Wokas 
4% 
Wapato & Delta 
American Lotus 
Duck Potatoes 
2% 
Coontail 
3% 
Acorns 
4% 
Wapato & Delta 
4% 
Waterlily 
Duck Potato 
Banana Waterlily 
3% 
Wild Celery 
Yellow 
1% 
Muskgrass 
American Lotus 
2% 
Miscellaneous 
3% 
Water Milfoil 
1% 
Muskgrass 
CANVASBACK 
REDHEAD 
8% 
of Food Animal Life 
14% 
of Focd Animal Life 
92% 
of Food Vegetation 
86% 
of Food Vegetation 
38% 
Wild Celery 
30% 
Wild Celery 
18% 
Pondweeds 
17% 
Pondweeds 
Sago Pond Plant 
Sago Pond Plant 
Naias 
Naias 
Redhead Grass 
Redhead Grass 
Brownleaf 
Brownleaf 
Eel Grass 
Eel Grass 
Widgeon Grass 
Widgeon Grass 
00 
Wapato & Delta 
9% 
Wapato & Delta 
Duck Potato 
Duck Potato 
6% 
Waterlily 
5% 
Duckweeds 
Banana Waterlily 
5% 
Muskgrass 
Yellow 
6% 
Grasses 
American Lotus 
Wild Rice 
6% 
Muskgrass 
Wild Millet 
5% 
Grasses 
6% 
Sedges 
Wild Rice 
Rushes 
Wild Millet 
Burreed 
5% 
Sedges 
Wampee 
Cyperus 
4% 
Waterlily 
Rushes 
Banana Waterlily 
Wampee 
Yellow 
1% 
Coontail 
American Lotus 
1% 
Water Milfoil 
1% 
Water Milfoil 
1% 
Duckweeds 
1% 
Coontail 
3% 
Unidentified & 
2% 
Un’dentified & 
Miscell. 
Miscell. 
13 
