LISTED BELOW ARE THE AQUATIC PLANTS AND 
APPROXIMATE PERCENTAGE OF EACH EATEN BY 
THE FOUR WELL KNOWN SPECIES OF WILD DUCKS. 
10% of Food Animal Life 
90% 
22% 
14% 
9% 
9% 
6% 
6% 
5% 
4% 
4% 
3% 
4% 
3% 
1% 
8% 
92% 
88% 
18% 
8% 
6% 
6% 
5% 
5% 
1% 
1% 
1% 
3% 
MALLARD 
of Food Vegetation 
Sedges 
Rushes 
Burreed 
Chufa 
Wampee 
Grasses 
Wild Rice 
Wild Millet 
Smartweeds 
Duck Wheat 
Pondweeds 
Sago Pond Plant 
Redhead Grass 
Brownleaf 
Eel Grass 
Widgeon Grass 
Duckweeds 
Duck Meat 
Coontail 
Wild Celery 
Hackberries 
Wapato & Delta 
Duck Potatoes 
Acorns 
Waterlily 
Banana Waterlily 
Yellow = 
American Lotus 
Water Milfoil 
Muskgrass 
CANVASBACK 
of Food Animal Life 
of Food Vegetation 
Wild Celery 
Pondweeds 
Sago Pond Plant 
Naias 
Redhead Grass 
Brownleaf 
Eel Grass 
Widgeon Grass 
Wapato & Delta 
Duck Potato 
Waterlily 
Banana Waterlily 
Yellow 4 
American Lotus 
Muskgrass 
Grasses 
Wild Rice 
Wild Millet 
Sedges 
Cyperus 
Rushes 
Wampee 
Coontail 
Water Milfoil 
Duckweeds 
Unidentified & 
Miscell. 
17 
24% 
76% 
33 Yo 
11% 
9% 
6% 
5% 
2% 
4% 
3% 
1% 
2% 
14% 
86% 
30% 
17% 
9% 
5% 
5% 
6% 
6% 
4% 
1% 
1% 
2% 
BLACK DUCK 
of Food Animal Life 
of Food Vegetation 
Pondweeds 
Sago Pond Plant 
Naias 
Redhead Grass 
Brownleaf 
Eel Grass 
Widgeon Grass 
Grasses 
Wild Rice 
Wild Millet 
Sedges 
Bulrush 
Burreed 
Cyperus 
Wampee 
Smartweeds 
Duck Wheat 
Waterlily 
Banana Waterlily 
Yellow ” 
Wokas 
American Lotus 
Coontail 
Wapato & Delta 
Duck Potato 
Wild Celery 
Muskgrass 
Miscellaneous 
REDHEAD 
of Food Animal Life 
of Food Vegetation 
Wild Celery 
Pondweeds 
Sago Pond Plant 
Naias 
Redhead Grass 
Brownleaf 
Eel Grass 
Widgeon Grass 
Wapato & Delta 
Duck Potato 
Duckweeds 
Muskgrass 
Grasses 
Wild Rice 
Wild Millet 
Sedges 
Rushes 
Burreed 
Wampee 
Waterlily 
Banana Waterlily 
Yellow of 
American Lotus 
Water Milfoil 
Coontail 
Unidentified & 
Miscell. 
