Table 80 
FOODS OF 43 BLUE-WINGED TEAL FROM BRACKISH ESTUARINE BAY MARSHES IN DORCHESTER COUNTY, 




“ Mnde isa 7 tite 8 “ae 
Seeds 100% (8-100) 200% (5-100) 86% (2-100) 88% (47-100) 
Olney Three-square 86 (65= 98) 67 (22- 96) .71 (29= 97) 62 (2h 92) 
Widgeongrass 36 (17= 60) 33 ( he 78) 86 (2-100) 75 (3h~ 97) 
Saltmarsh Bulrush 9 ( 1+ 30) 33 (Ch 78) 29 (3-71) 12 ( #53) 
Twigrush 1h ( 2+ 35) 17 (+ 65) 29 ( 3 71) 
Saltgrass 5 ( +- 23) 17 ( #65 ) 12 ( +- 53) 
Hightide-bush 23. ( 7 6) 
Cordgrass 9 ( 1- 30) 
Softstem Bulrush 5 ( +- 23) 
Sago Pondweed 5 ( ++ 23) 
Claspingleaf Pondweed 5 ( + 23) 
Grain 17. ( +- 65) 
Corn 17 ( += 65) 
Leaves, Stems and Rootstalks 
of Submerged Aquatic Plants 18 ( 5- i) 12. (+53) 
Muskgrass 9 ( 1- 30) 
Widgeongrass 5 ( t+ 23) 12 (+-53) 
Pondweed 5 ( + 23) 
Animal Food — -23 (7-46) — _33 (h-78) = _86 (42-100) _75 (34-97) 
Littoridinops sp. (Gastropoda) 9 ( 1- 30) 71 (29 97) 38 ( 8-76) 
Coleoptera (sp. 7) 1h ( +- 58) 25 ( 3-66) 
Ostracoda 17 (#65) 29 ( 3 71) 
Melampus bidentatus (Gastropoda) 5 (+- 23) 
Fish Eggs 25 ( 3-66) 
Volsella demissa (Pelecypoda) 1h ( += 58) 
Gastropoda (sp. 7) 17 ( +65) 
Libelluloidea larvae-pupae 12 ( +53) 
Curculionidae 9 (1+ 30) 
Formicidae 5 (#- 23) 

1 Percentage occurrence of foods that made up 5% or more of the volume in individual birds. Fig- 
ures in parentheses show 95% confidence limits. 
142 
