BIRDS OF NEW YORK 



Memoir 12. N. Y. State Museum 



Plate 4 



POMARINE JAEGER Stercurarivji pumannv^ i,'l'emmiack) PARASITIC JAEGER Stcrmrari-us parasiticus (Linnaeus; 



LONG-TAILED JAEGER StercorariiKlongif-ovtitm "-ieiUoti A/tif^f^c:.,-^^^^ ^«ase 



ADULT . ^. iVllLjl LJ^Lj IN-'ERMEDIATE 



IMMATURE S. parasiticus SKUA Megalestrix skua (Briinnich) 



All B nat. size 



LIGHT PHASE 



