Panel 21: American Bittern, Green Heron, Least Bittern, Glossy Ibis, Cory's Bittern by Louis Agassiz… https://www.rawpixel.com/image/8905487/image-watercolor-art-vintageFree Image from public domain licenseSun Bittern, from the Birds of the Tropics series (N5) for Allen & Ginter Cigarettes Brands issued by Allen & Ginter, George… https://www.rawpixel.com/image/9611212/image-ginter-graphic-birds-tropics-series-1889Free Image from public domain licenseAmerican Bittern, from the Game Birds series (N13) for Allen & Ginter Cigarettes Brands issued by Allen & Ginter, George S.… https://www.rawpixel.com/image/9611539/image-ginter-graphic-1889-1800-1900Free Image from public domain licenseAmerican Bittern, from the Game Birds series (N40) for Allen & Ginter Cigarettes issued by Allen & Ginter https://www.rawpixel.com/image/9611156/image-ginter-graphic-1888-1800-1900Free Image from public domain licenseBittern (Botaurus stellaris) illustrated by the von Wright brothers. Digitally enhanced from our own 1929 folio version of… https://www.rawpixel.com/image/325755/free-illustration-image-von-wright-brothers-wright-von-birdFree Image from public domain licenseCrane and Bittern (1575–1580) painting in high resolution by Joris Hoefnagel. Original from The National Gallery of… https://www.rawpixel.com/image/3109941/free-illustration-image-animal-animalia-volatilia-amphibia-antiqueFree Image from public domain licensePng sticker bittern bird hand drawn https://www.rawpixel.com/image/2634612/free-illustration-png-bird-botaurus-stellaris-animalView licenseLeast Bittern from Birds of America (1827) by John James Audubon, etched by William Home Lizars. Original from University of… https://www.rawpixel.com/image/277394/free-illustration-image-audubon-birds-americaFree Image from public domain licenseAmerican Bittern from Birds of America (1827) by John James Audubon, etched by William Home Lizars. Original from University… https://www.rawpixel.com/image/277298/free-illustration-image-audubon-birds-america-public-domainFree 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 licenseThe Bittern, Botaurus stellaris (1596–1610) by Anselmus Boëtius de Boodt. Original from the Rijksmuseum.… https://www.rawpixel.com/image/561689/bittern-vintage-styleFree Image from public domain licenseCrane and bittern png bird sticker vintage illustration https://www.rawpixel.com/image/2804181/free-illustration-png-vintage-birds-bittern-birdView 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 licenseVector bittern bird hand drawn https://www.rawpixel.com/image/2686630/premium-illustration-vector-birds-animal-artworkView licenseThick-billed Green Bittern (Ardetta macrorhyncha) illustrated by Elizabeth Gould (1804–1841) for John Gould’s… https://www.rawpixel.com/image/321760/free-illustration-image-australia-birds-animalsFree Image from public domain licenseLittle Grey Bittern (Ardetta stagnatilis) illustrated by Elizabeth Gould (1804–1841) for John Gould’s (1804… https://www.rawpixel.com/image/321646/free-illustration-image-bird-john-gould-animal-birds-australiaFree Image from public domain licenseChinese Little Bittern illustration. Digitally enhanced from our own original edition of Pictorial Monograph of Birds (1885)… https://www.rawpixel.com/image/434975/free-illustration-image-chinese-vintage-art-1800sFree Image from public domain licenseMinute Bittern (Ardetta pusilla) illustrated by Elizabeth Gould (1804–1841) for John Gould’s (1804-1881) Birds… https://www.rawpixel.com/image/321339/free-illustration-image-vintage-australia-animalsFree Image from public domain licenseYellow-necked Bittern (Ardetta flavicollis) illustrated by Elizabeth Gould (1804–1841) for John Gould’s (1804… https://www.rawpixel.com/image/321698/free-illustration-image-vintage-gould-illustrationsFree Image from public domain licenseAustralian Bittern (Botaurus Australis) illustrated by Elizabeth Gould (1804–1841) for John Gould’s (1804-1881)… https://www.rawpixel.com/image/321671/free-illustration-image-century-gould-vintageFree Image from public domain license189. American Bittern (Ardea minor) 190. Small Bittern (Ardea exilis) illustration from Zoology of New York… https://www.rawpixel.com/image/329326/free-illustration-image-zoology-new-york-birds-animalsFree Image from public domain licenseBittern (Botaurus stellaris) illustrated by the von Wright brothers. Digitally enhanced from our own 1929 folio version of… https://www.rawpixel.com/image/325701/premium-illustration-psd-botaurus-stellaris-america-ancientView license