Green Heron from Birds of America (1827) by John James Audubon, etched by William Home Lizars. Original from University of…
https://www.rawpixel.com/image/277256/free-illustration-image-audubon-green-heron-audubon-america-birds-public-domainFree Image from public domain license
187. White-crested Heron (Ardea candidissima) 188. Green Heron or Poke (Ardea virescens) illustration from Zoology of New…