Table 137 (continued) 


Animal Food (con't) 
Brachidontes recurvus (Pelecypoda) 6%(+=28) 
Mya arenaria (Pelecypoda) 6 (+-28) 
Cyathura sp. (Isopoda) 6 (+=28) 
Nereis sp. (Annelida) 6 (+=28) 
Crustacea (spe?) 6 (+-28) 
Myriapoda | 6 (+-28) 
1 Collected November-January. Percentage occurrence of foods that made up 
5% or more of the volume in individual birds. Figures in parentheses show 95% 
confidence limits. 
Table 138 
FOODS OF 4 BUFFLEHEADS FROM SALT ESTUARINE BAYS NEAR 
DEAL ISLAND AND SAXIS ISLAND2 


Animal, Food 100% (39-100) 
Molinia lateralis (Pelecypoda) 50 ( 6 9h) 
Macoma balthica (Pelecypoda) 50 ( 6- 9h) 
Gammaridae 50 ( 6- 9h) 
Acteocina canaliculata (Gastropoda) 25 ( += 81) 
Gemma gemma (Peleoypeda) 25 ( * 81) 
Nassarius trivittatus (Gastropoda) 25 ( += 81) 
Odostomia impressa (Gastropoda) 25 ( ++ 81) 
Lora sp. (Gastropoda) 25 ( +-81 ) 
Xanthidae 25 ( +- 81) 
1 Collected November-January. Percentage occurrence of foods that made up 5% 
or more of the volume in individual birds. Figures in parentheses show 95% 
confidence limits. 
197 
