Table 81 
FOODS OF 10 BLUE-WINGED TEAL FROM ESTUARINE RIVER MARSHES 
OF PATUXENT, NANTICOKE, AND ELK RIVERS1 


Seeds | 100% (69-100) 
_ Dotted Smartweed 80 (hh- 98) 
Walter millet 60 (26- 88) 
Dodder 50 (18- 82) 
Softstem Bulrush ho (12= 7h) 
Tidemarsh Waterhemp 30 ( 6 66) 
Halberdleaf Tearthumb 30 ( 6 66) 
Common Burreed 30 ( 6= 66) 
Giant Burreed 20 ( 2= 56) 
Arrowleaf Tearthumb 20 ( 2- 56) 
Common Three~square 20 ( 2= 56) 
_ Pickerelweed 20 ( 2= 56) 
“Wilarice 10 ( +- 4s) 
Common Spikerush 10 ( += 5) 
Sedge (Carex crinita) 10 ( += 45) 
Leaves of Emergent Marsh Plants 10 ( t= 45) 
Grass (Gramineae) 10 ( t~ 5) 

1 Collected during early fall. Percentage occurrence of foods that made up 5% 
or more of the volume in individual birds. Figures in parentheses show 95% con- 
fidence limits. 
143 
