Hyacint Markgraaf Karel van Baden Durlach (1720 - 1729) by Hendrik Budde https://www.rawpixel.com/image/13737483/hyacint-markgraaf-karel-van-baden-durlach-1720-1729-hendrik-buddeFree Image from public domain licenseA large Walrus (Odobenus rosmarus divergens) resting on sea ice, Bering Sea, Alaska. https://www.rawpixel.com/image/9975891/photo-image-art-vintage-animalFree Image from public domain licenseDunlins in flightWe spotted these dunlins flying over a wetland at Big Stone National Wildlife Refuge in Minnesota. Photo by… https://www.rawpixel.com/image/9653777/photo-image-animal-public-domain-birdFree Image from public domain licenseNorthern ShovelerWe spotted this northern shoveler at Big Stone National Wildlife Refuge in Minnesota. Photo by Mike… https://www.rawpixel.com/image/9653930/photo-image-animal-public-domain-birdFree Image from public domain licenseBlooming ball cactusLooking for cacti? Don't overlook Minnesota! Ball cactus is the most rare of the three cactus species… https://www.rawpixel.com/image/9653511/photo-image-flower-plant-skyFree Image from public domain licenseSenior Airman Thomas Budd, 455th Expeditionary Aircraft Maintenance Squadron electrician, safety wires a fire loop on a C… https://www.rawpixel.com/image/8739605/photo-image-public-domain-personFree Image from public domain licenseDowitchers in flightWe spotted these dowitchers flying over a wetland at Big Stone National Wildlife Refuge in… https://www.rawpixel.com/image/9653593/photo-image-plant-animal-public-domainFree Image from public domain licenseBlooming ball cactusLooking for cacti? Don't overlook Minnesota! Ball cactus is the most rare of the three cactus species… https://www.rawpixel.com/image/9653510/photo-image-flower-plant-daisyFree Image from public domain licenseThirteen-lined ground squirrelWe spotted this thirteen-lined ground squirrel at Big Stone National Wildlife Refuge in… https://www.rawpixel.com/image/9653740/photo-image-animal-public-domain-natureFree Image from public domain licenseSpotted sandpiperRemember angry birds? Here's one! We saw this particular spotted sandpiper at Big Stone National Wildlife… https://www.rawpixel.com/image/9653581/photo-image-animal-public-domain-birdFree Image from public domain licenseBlooming ball cactusLooking for cacti? Don't overlook Minnesota! Ball cactus is the most rare of the three cactus species… https://www.rawpixel.com/image/9653497/photo-image-flower-plant-daisyFree Image from public domain licenseNorthern harrierWe spotted this norther harrier soaring over Minnesota. Photo by Mike Budd/USFWS. https://www.rawpixel.com/image/9653741/photo-image-animal-public-domain-birdFree 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 licenseRuby-crowned kingletWe spotted this ruby-crowned kinglet showing off his brilliant red crown in Minnesota. Photo by Mike… https://www.rawpixel.com/image/9654255/photo-image-crown-animal-public-domainFree Image from public domain licenseCliff swallows nestingWe spotted these cliff swallows nesting at Big Stone National Wildlife Refuge in Minnesota. Photo by… https://www.rawpixel.com/image/9653779/photo-image-animal-public-domain-birdFree Image from public domain licenseDowitchers in flightWe spotted these dowitchers flying over a wetland at Big Stone National Wildlife Refuge in… https://www.rawpixel.com/image/9653587/photo-image-animal-public-domain-birdFree Image from public domain licenseRichard Budd. Soft-ground etching by W. Daniell after G. Dance, 1798. https://www.rawpixel.com/image/13996643/richard-budd-soft-ground-etching-daniell-after-dance-1798Free Image from public domain licenseBuildings and surgeons and physicians of King's College Hospital, London. Coloured lithograph by Beynon & Company after H.… https://www.rawpixel.com/image/13996831/image-person-medicine-artFree Image from public domain licenseSurgeons and physicians of St Bartholomew's Hospital, London, with views of the building and adjacent churches. Colour… https://www.rawpixel.com/image/13988187/image-dog-cartoon-personFree Image from public domain license