Memoir 



Plate 73 



1 1 I 14 1 > !-* OF .N !: >V V < ) II K 



RUSTY BLACKBIRD K- ., fMQll) 



ADULT MALE tH SPRING 

 IMMATURE IN AUTUMN ADULT MAI r IM All-rnui. 



RED-WINGED BLACKBIRD .4^nu, , ,, :ieU!>) 



MALE m AUTUMN 



MAIE IN SPRISO FEMA1 F 



BOBOLINK Dolirhanyx orvrirorv* (Unnaeuaj 



All i nat. M FEIIALE 



