Hens on the nest at Arizona part-time farms. Maricopa County, Arizona by Russell Lee https://www.rawpixel.com/image/12110159/image-person-art-vintageFree Image from public domain licenseParts of the ear: twenty-one figures. Line engraving by A. Bell after J. G. Duverney, 1798. https://www.rawpixel.com/image/13973707/image-paper-cartoon-personFree Image from public domain licenseLesser goldfinchBright yellow bird with a black head berched on a budding branch Credit NPS/Andy Bridges. Original public… https://www.rawpixel.com/image/4033553/photo-image-bird-animalFree Image from public domain licenseKarikatuur van Paul de Kock (c. 1830 - c. 1842) by Benjamin, Aubert and Cie and Bauger https://www.rawpixel.com/image/13773687/image-paper-cartoon-faceFree Image from public domain licenseSeagulls on a beach. Visit Kaboompics for more free images. https://www.rawpixel.com/image/435461/free-photo-image-animal-beach-beakView licenseSeagulls on the beach in Poland https://www.rawpixel.com/image/2448761/free-photo-image-ocean-bird-beach-beigeView licenseSea lions on a beach in the Falkland Islands during the mating season. Wood engraving. https://www.rawpixel.com/image/13997866/image-cartoon-person-artFree Image from public domain licenseBlack-Capped Chickadee in semi-profile, perched on a branch, looking directly at the camera. https://www.rawpixel.com/image/5938745/photo-image-public-domain-bird-animalFree Image from public domain licensePurple martin bird, isolated animal image https://www.rawpixel.com/image/9080845/purple-martin-bird-isolated-animal-imageView licenseVoorbeelden van antieke helmen (1780 - 1849) by David Pièrre Giottino Humbert de Superville https://www.rawpixel.com/image/13790274/image-paper-cartoon-faceFree Image from public domain licenseRhipidura flabellifera or tirairaka (Passeriformes) [nest of fantail, now Rhipidura fuliginosa] by Herbert Guthrie Smith. https://www.rawpixel.com/image/13031171/image-plant-person-treeFree Image from public domain licenseSwimming penguin ripped paper badge, bird photo https://www.rawpixel.com/image/6660620/swimming-penguin-ripped-paper-badge-bird-photoView licenseResting & preening trumpeter swans, Yellowstone Riverby Neal Herbert. Original public domain image from Flickr https://www.rawpixel.com/image/4038360/photo-image-bird-waterFree Image from public domain licenseEglinton Tournament: knights performing jousts. Lithograph by H. Wilson after C.A. d'Hardiviller, 1839. https://www.rawpixel.com/image/13991129/image-horse-plant-personFree Image from public domain licenseYellow-headed blackbird Xanthocephalus xanthocephalusby Jacob W. Frank. Original public domain image from Flickr https://www.rawpixel.com/image/4038694/photo-image-person-bird-landscapeFree Image from public domain licenseSong SparrowA song sparrow perched on a branch.Photo by Courtney Celley/USFWS. Original public domain image from Flickr https://www.rawpixel.com/image/4028416/photo-image-bird-natureFree Image from public domain licenseLocupletissimi rerum naturalium thesauri accurata descriptio, et iconibus artificiosissimis expressio, per universam… https://www.rawpixel.com/image/14004527/image-cartoon-animal-public-domainFree Image from public domain licenseHussaar No. 6 (1835 - 1850) by Albertus Verhoesen and Johannes Paulus Houtman https://www.rawpixel.com/image/13747131/hussaar-no-1835-1850-albertus-verhoesen-and-johannes-paulus-houtmanFree Image from public domain licenseLancaster County, Pennsylvania. One of the horses on the Enos Royer farm. Sourced from the Library of Congress. https://www.rawpixel.com/image/12326697/image-horse-wood-animalFree Image from public domain licenseBlack Necked-Stilt at Cosumnes River PreserveThe Cosumnes River Preserve is home to California’s largest remaining valley… https://www.rawpixel.com/image/11071645/photo-image-sunset-heart-moonFree Image from public domain licenseAn ideal landscape in the Quartenary epoch with bears, elks and mammoths. Wood engraving by Riou after E. Meunier. https://www.rawpixel.com/image/14014249/image-dog-cartoon-cowFree Image from public domain licenseThe U.S. Department of Agriculture (USDA) Animal and Plant Health Inspection Service (APHIS) Plant Protection and Quarantine… https://www.rawpixel.com/image/3260811/free-photo-image-dragonfly-animal-and-plant-health-inspection-serviceFree Image from public domain licenseA bird of paradise from Northern California. Engraving with etching by J. Heath, ca. 1798, after J. R. Prevost. https://www.rawpixel.com/image/14006807/image-cartoon-art-animalFree Image from public domain licenseRed-breasted Nuthatch. Gallatin County. June 2018.. Original public domain image from Flickr https://www.rawpixel.com/image/3335150/free-photo-image-robin-animal-bee-eaterFree Image from public domain licenseGoslings resting near a pondPhoto by Courtney Celley/USFWS. Original public domain image from Flickr https://www.rawpixel.com/image/4028965/photo-image-baby-birdFree Image from public domain license[Untitled photo, possibly related to: Roping a calf, Three Circle roundup, Custer National Park, Montana]. Sourced from the… https://www.rawpixel.com/image/12316200/image-person-horse-animalFree Image from public domain licenseAllegorie op de schoonheid (1608) by Jacob van der Heyden and Lud Sauri https://www.rawpixel.com/image/13769755/allegorie-schoonheid-1608-jacob-van-der-heyden-and-lud-sauriFree Image from public domain licenseBrown thrasher in a treePhoto by Courtney Celley/USFWS. Original public domain image from Flickr https://www.rawpixel.com/image/4029005/photo-image-bird-nature-2020Free Image from public domain license