BIRDS OF NKW YORK. 



Memoir 12. N. Y. State Museum 



Plate 23 



GREEN HERON Butoridoi viresceus (Linnaeus) 



rMMATURE ADULT 



AMERICAN BITTERN liotaurm lenligitumtK (MontaRU) 



All i nat. size 



LEAST BITTERN Ixobrychun exiliii ^OIaelln) 



FEMALE "ALE 



