BIRRS OF NKW YORK 



Memoir 12. N. Y. State Museum 



Plate 4 



POMARINE JAEGER StcrcorariuK )ji)mariini!i (Temminck) 

 LONG-TAILED JAEGER Stermrarivs loiiu'caudus VieiUot 



ADULT 



IMMATURE S. parasfd'fiw 



AM 3 iiat. size 



PARASITIC JAEGER Stercurarius parasHicue (Linnaeus) 



DARK PHA8& 



INTERMEDIATE LIGHT PHASE 



SKUA Mcualf»trii skua (Brtlnnich) 



