Class II, Order IV, Grallae. Family Gruidae. The Sand Hill Crane... by Eugene S M Haines https://www.rawpixel.com/image/14256114/photo-image-plant-tree-artFree Image from public domain licenseClass II, Order IV, Grallae. Family Gruidae. The Black-Crowned Night Heron... by Eugene S M Haines https://www.rawpixel.com/image/14256781/photo-image-plant-tree-artFree Image from public domain licenseCrane and a Bittern by Johan Teyler (1648-1709). Original from The Rijksmuseum. Digitally enhanced by rawpixel. https://www.rawpixel.com/image/515143/free-illustration-image-vintage-birds-fly-two-animalsFree Image from public domain licenseVintage illustration of a Crane and a Bittern https://www.rawpixel.com/image/515158/premium-illustration-vector-portrait-animal-antiqueView licenseCrane and a Bittern by Johan Teyler (1648-1709). Original from Rijks Museum. Digitally enhanced by rawpixel. https://www.rawpixel.com/image/515091/premium-illustration-psd-wings-animal-antiqueView licenseClass II, Order IV, Grallae. Family Gruidae. The Great Blue Heron... by Eugene S M Haines https://www.rawpixel.com/image/14293868/photo-image-plant-art-animalFree Image from public domain license