Table 78 
FOODS OF 34 GREEN-WINGED TEAL FROM ESTUARINE BAY MARSHES OF DORCHESTER COUNTY? 


Sept. 21-Nove 28 Dec, 3-Jan,10 Mar. 3~Mar, 2); 

15 Birds 9 Birds 10 Birds 
Seeds 100% (78-100) 100% (66-100) 100% (69-100) 
Olney Three-square 93 (68-100) 67 (29 -93) 90 (55-100) 
Widgeongrass 60 (32 -8k) 33 (7 -71) 80 (hh -98) 
Twigrush 13 (1 -l)) 22 ( 2-61) 10 ( + =)5) 
Saltmarsh Bulrush 7 ( + -32) 22 ( 2 -61) 10 ( + -45) 
Saltgrass 13 (1-1) 11 ( * <9) 
Dwarf Spikerush 7 ( + =32) 20 ( 2 =56) 
Common Three-square 20 ( 2 =56) 
Saltmarsh Cordgrass 13 (1 -lp) 
Hightide-bush 7 ( +32) nL ( + -h9) 
Needlerush 11 ( + <9) 
Mermaidweed 7 ( #32) 
Softstem Bulrush 7 ( +#-32) 
Dotted Smartweed ll ( +-9) 
Rice Cutgrass nL ( +9) 
Cyperus (C. odoratus) 7 ( +=32) 
Fimbristylis (F. castanea) 1. ( +49) 
Grain _13 ( 1-41) 
Corn mi ( 1-41) 
Animal Food _67 (3839) 33 ( 7-71) 70 (34-94) 
Amphipoda (chiefly Gammaridae) 7 ( +=32) 1l ( +49) 50 (18-82) 
Littoridinops sp. (Gastropoda) 20 ( 449) 11 ( +49) 
Leptochelia savignyi (Isopoda) 13 ( 141) 22 ( 2-61) 
Ostracoda 7 ( +=32) 20 ( 2-56) 
Melampus bidentatus (Gastropoda) 30 ( 6-66) 
Chironomidae larvae 7 (+32) 20 ( 2-56) 
Chiridotea coeca (Isopoda) 13 ( 1-41) 
Bittium varium (Gastropoda) 7 ( +=32) 
Insect (sp.?) 7 ( +32) 
Diptera larvae 7 ( +-32) 
i a 
1 Percentage occurrence of foods that made up 5% or more of the volume in individual birds. 
Figures in parentheses show 95% confidence limits. 
140. 
