Plants growing by a fallen tree. Pencil drawing by A. Storer. https://www.rawpixel.com/image/14016003/plants-growing-fallen-tree-pencil-drawing-storerFree Image from public domain licenseWilson's phalaropeWe spotted this Wilson's phalarope at Big Stone National Wildlife Refuge in Minnesota. Unlike most birds… https://www.rawpixel.com/image/9653774/photo-image-animal-public-domain-birdFree Image from public domain licenseA seventeenth-century wooden pharmacy counter carved in low relief, the central panel is of an elephant. Photograph. https://www.rawpixel.com/image/14001640/photo-image-person-church-artFree Image from public domain licenseA cabin on board a packet-boat, its occupants either asleep or being sea-sick. Coloured aquatint, 1814. https://www.rawpixel.com/image/13961503/image-dog-person-artFree Image from public domain licenseA lilac-breasted roller sits atop a bush in the Mara Triangle, part of Kenya's wider Masai Mara ecosystem https://www.rawpixel.com/image/8811917/photo-image-public-domain-bird-naturesFree Image from public domain licenseSketches in the Malay archipelago. Album of watercolours and photographs made and collected by J.E. Taylor. https://www.rawpixel.com/image/14013272/image-paper-frame-artFree Image from public domain licenseParis: the Tuileries garden and the Porte de la Conference. Etching by Perelle. https://www.rawpixel.com/image/13983901/paris-the-tuileries-garden-and-the-porte-conference-etching-perelleFree Image from public domain licenseAthletes at a gymnasium. Gouache painting by S.W. Kelly, 1936. https://www.rawpixel.com/image/13952602/athletes-gymnasium-gouache-painting-sw-kelly-1936Free Image from public domain licenseSusan Macdowell (later Mrs. Thomas Eakins) with Setter by Thomas Eakins https://www.rawpixel.com/image/14284893/susan-macdowell-later-mrs-thomas-eakins-with-setter-thomas-eakinsFree Image from public domain licenseSaint Jerome. Engraving by C. Cort, 1577, after G.F.M Mazzola, il Parmigianino. https://www.rawpixel.com/image/13992812/saint-jerome-engraving-cort-1577-after-gfm-mazzola-parmigianinoFree Image from public domain licenseHunting: nets for catching ground birds. Engraving, c.1762. https://www.rawpixel.com/image/13976870/hunting-nets-for-catching-ground-birds-engraving-c1762Free Image from public domain licenseOpera omnia. Nitidius, quam unquam hactenus edita, plurimum emendata, indicibus rerum copiosissimis, ac distinctione… https://www.rawpixel.com/image/13989871/image-cartoon-medicine-artFree Image from public domain licenseGray jay (Perisoreus canadensis) perched in a tree by Jacob W. Frank. Original public domain image from Flickr https://www.rawpixel.com/image/4038407/photo-image-tree-plant-birdFree Image from public domain licenseK9 for a Day - Simon, in partnership with the Humane Society of Eastern Carolina, Greenville, date unknown. Original public… https://www.rawpixel.com/image/9658769/image-dog-person-womanFree Image from public domain licenseA system of practical surgery, including all the recent discoveries and operations / [John Lizars]. https://www.rawpixel.com/image/13977624/image-paper-cartoon-personFree Image from public domain licenseFree Clydesdale horses grazing on meadow image, public domain animal CC0 photo. https://www.rawpixel.com/image/5901644/photo-image-public-domain-green-natureFree Image from public domain licenseNankow pass, Pechili province, China. Photograph by John Thomson, 1871. https://www.rawpixel.com/image/14021551/nankow-pass-pechili-province-china-photograph-john-thomson-1871Free Image from public domain licenseThe various pleasures of equitation illustrated in twenty-two sketches which all show horsemen being injured. Chalk… https://www.rawpixel.com/image/14014497/image-dog-paper-horseFree Image from public domain licenseThe method by which the Jansenist weekly newspaper Les nouvelles ecclésiastiques was distributed in order to evade the… https://www.rawpixel.com/image/13999277/image-paper-cartoon-personFree Image from public domain licenseBridge crowded with people, Georgetown, Massachusetts by Selwin C Reed https://www.rawpixel.com/image/14298347/bridge-crowded-with-people-georgetown-massachusetts-selwin-reedFree Image from public domain licenseU.S. Army Pacific hosted a polo demonstration May 16 at Historic Palm Circle, Fort Shafter, Hawaii. The polo demonstration… https://www.rawpixel.com/image/9653762/image-person-horse-animalFree Image from public domain licenseCommon Merganser - Mergus merganser. Original public domain image from Flickr https://www.rawpixel.com/image/3309744/free-photo-image-aircraft-airplane-animalFree Image from public domain licensePink flamingo clipart, vintage illustration vector. Free public domain CC0 image. https://www.rawpixel.com/image/6272203/vector-sticker-vintage-public-domainFree Vector from public domain licenseFree house sparrow in nature background portrait photo, public domain animal CC0 image. https://www.rawpixel.com/image/5911070/image-public-domain-bird-freeFree Image from public domain licenseFree robin bird portrait in nature background photo, public domain animal CC0 image. https://www.rawpixel.com/image/5910338/image-background-public-domain-natureFree Image from public domain licenseDe overwinning van de Schilderkunst over de Dood (1660) by Gesina ter Borch https://www.rawpixel.com/image/13745629/overwinning-van-schilderkunst-over-dood-1660-gesina-ter-borchFree Image from public domain licenseGrizzly bear near Canyon photo by Neal Herbert. Original public domain image from Flickr https://www.rawpixel.com/image/4039246/photo-image-tree-plant-birdFree Image from public domain licenseA crossbow maker (bowyer) is working at his workbench, with two finished crossbows and some bolts hanging in the window.… https://www.rawpixel.com/image/13977086/image-cartoon-face-personFree Image from public domain licenseLe Havre, la plage vers Sainte-Adresse et le Cap de le Heve by Gustave Le Gray https://www.rawpixel.com/image/14285423/havre-plage-vers-sainte-adresse-cap-heve-gustave-grayFree Image from public domain licenseOx eye with a growth of warty skin bearing tufts of hair, extending over the cornea https://www.rawpixel.com/image/13968959/image-paper-person-airplaneFree Image from public domain licenseGraphosoma lineatum and white flower. Free public domain CC0 photo. https://www.rawpixel.com/image/6028130/photo-image-background-flower-public-domainFree Image from public domain licenseReims Cathedral, statues side of central portal, right side, west door https://www.rawpixel.com/image/14316872/reims-cathedral-statues-side-central-portal-right-side-west-doorFree Image from public domain licenseFamily group at Porch Door. ["Rest Valley," Canterbury, New Hampshire. The Old Homestead of Hon. J.M. Harper] by Willis G C… https://www.rawpixel.com/image/14295400/photo-image-dog-face-plantFree Image from public domain licenseAttic Black-Figure Belly Amphora Fragment (comprised of 2 joined fragments) https://www.rawpixel.com/image/14269058/attic-black-figure-belly-amphora-fragment-comprised-joined-fragmentsFree Image from public domain licenseFree tufted titmouse on berries tree branch photo, public domain animal CC0 image. https://www.rawpixel.com/image/5902407/photo-image-public-domain-tree-natureFree Image from public domain license