Table 112 
FOODS OF 41 CANVASBACKS FROM BRACKISH ESTUARINE BAYS OF THE 
CHESTER RIVER, EASTERN BAY, AND CHOPTANK RIVER} 
Leaves, Stems and Rootstalks of 
Submerged Aquatic Plants 
Claspingleaf Pondweed 
Kelgrass 
Widgeongrass 
Seeds 
Claspingleaf Pondweed 
Widgeongrass 
Sago Pondweed 
Giant Burreed 
Grain (bait) 
Corn 
Witeat 
Animal Food 
Macoma balthica (Pelecypoda) 
‘Xanthidae 
Callinectes sapidus (Decapoda) 
Mulinia lateralis (Pelecypoda) 
Gemma gemma (Pelecypoda) 
Bittium varium (Gastropoda) 

Mya arenaria (Pelecypoda) 
Erichsonella sp. (Isopoda) 

Laevicardium mortoni (Pelecypoda) 
Macoma phenax (Pelecypoda) 
ee 
171 
566 (39-72) 
46 (30-63) 
22 (10-38) 
10 ( 2-2) 
37% (22-5h) 
32 (18-9) 
17 ( 7-33) 
2 ( +-13) 
2 ( ++13) 
2h% (12-41) 
24 (12-41) 
2 ( +-13) 
80% (65-92) 
56 (39-72) 
24 (12-41) 
20 ( 8-35) 
17 ( 3-33) 
7 ( 1-20) 
7 ( 1-20) 
7 ( 1-20) 
7 ( 1-20) 
2 ( +-13) 
2 ( +13) 
