﻿BIR1>S 
  OF 
  N1<:>V 
  VOUIv 
  

  

  Memoir 
  12. 
  N. 
  Y. 
  State 
  Museum 
  

  

  Plate 
  23 
  

  

  GREEN 
  HERON 
  Butoridcs 
  vire)sce)ix 
  (Linnaeus) 
  

  

  IMMATURE 
  ADULT 
  

  

  AMERICAN 
  BITTERN 
  BotawrMS 
  lentiginosun 
  (Montag-u) 
  

  

  All 
  i 
  nat. 
  size 
  

  

  LEAST 
  BITTERN 
  Ixobrychuti 
  e.ciUs 
  <.GmeUn) 
  

  

  FEMALE 
  MALE 
  

  

  