Oldsquaw 



Clang ula hy emails 



U W-- 



-w-w 



w 



Black Scoter 



Melanitta nigra 



LL 17; Nov. 2 1979; Benton Lake 

 n=4 



Surf Scoter 



Melanitta perspicillata 



White-winged Scoter 



Melanitta fusca 



-w 



W--W 



t 



t t 



t - t 



t ------ t - t 



t _t t 



t 



t - t t - - 



t t t - t 



t t - t - - t - - 

 t 



22 



