Table 98 
FOODS OF 81 REDHEADS FROM BRACKISH ESTUARINE BAYS OF THE CHESTER RIVER, 
EASTERN BAY, AND CHOPTANK RIVER* 


Leaves, Stems and Rootstalks of 
Submerged Aquatic Plants 90% (81-96) 
Claspingleaf Pondweed 53 (1-65) 
Eelegrass 30) (20642) 
Widgeongrass 1h ¢ 7=2h) 
Common Waterweed 1h (¢ 7-2h) 
Sea-lettuce 5 ( 1-13) 
Enteromorpha 1 ( *%=7) 
Pondweed 1 ( #-7) 
Grain 23% (14-3) 
Corn (bait) 23) (1)-3h) 
Seeds 28% (18-0) 
Glaspingleaf Pondwoeed 25 (15-36) 
Widgeongrass 6 ( 2~1h) 
Olney Three-square 1 { + +7) 
Animal Food 10% ( 4-19) 
Xanthidae 5 ( 1-13) 
Macoma balthica (Pelecypoda) 2 (#9) 
Mya arenaria (Pelecypoda) 1 ( t# 7) 
Amphipoda 1 ( #7) 

1 Collected during late fall and winter. Percentage occurrence of foods 
that made up 5% or more of the volume in individual birds. Figures in 
parentheses show 95% confidence limits. 
158 
