Cat on a post. Original public domain image from https://www.flickr.com/photos/ianlivesey/34584095476/ https://www.rawpixel.com/image/4021635/photo-image-background-house-catFree Image from public domain licenseDog playing fetch in the park. Original public domain image from Wikimedia Commons https://www.rawpixel.com/image/3283813/free-photo-image-dog-run-eatFree Image from public domain licenseThe King Penguin is very large compared to other species. It is the second largest of them all. Full grown, they can be up… https://www.rawpixel.com/image/4021278/photo-image-background-bird-natureFree Image from public domain licenseClose-up of a tabby cat sleeping on a white blanket. Original public domain image from Wikimedia Commons https://www.rawpixel.com/image/3286561/free-photo-image-cat-blanket-public-domainFree Image from public domain licenseCocker spaniels (1960–1979), vintage dog illustration postcard. Original public domain image from Digital… https://www.rawpixel.com/image/9848597/photo-image-dog-art-animalFree Image from public domain licenseMaine coon cat on sitting in green grass. Original public domain image from Wikimedia Commons https://www.rawpixel.com/image/3286485/free-photo-image-cat-animal-sittingFree Image from public domain licenseFree three dogs in party hats smiling image, public domain animal CC0 photo. https://www.rawpixel.com/image/5928229/photo-image-background-public-domain-pinkFree Image from public domain licenseDogs, Cooper and Kody, take a break amidst an amazing vista in the Okanogan Wenatchee National Forest, Washington. Original… https://www.rawpixel.com/image/3388325/free-photo-image-landscape-forest-outdoors-skyFree Image from public domain licenseFree rear view of young woman walking with white husky dog on the sidewalk image, public domain animal CC0 photo. https://www.rawpixel.com/image/5927842/photo-image-background-public-domain-personFree Image from public domain licenseA close-up of an inquisitive raccoon face in the grass. Original public domain image from Wikimedia Commons https://www.rawpixel.com/image/3286612/free-photo-image-baby-face-grassFree Image from public domain licenseScarlet Macaw parrot, bird photo. Free public domain CC0 image. https://www.rawpixel.com/image/6041699/photo-image-white-background-public-domain-natureFree Image from public domain licenseFree whoodle dog standing on log watching scenic view image, public domain animal CC0 photo. https://www.rawpixel.com/image/5925470/photo-image-background-public-domain-treeFree Image from public domain licenseFree yorkshire terrier dog held by veterinarian image, public domain animal CC0 photo. https://www.rawpixel.com/image/5925163/photo-image-background-public-domain-dogFree Image from public domain licenseDog with pups (1780). Original public domain image from the Cleveland Museum of Art. Digitally enhanced by rawpixel. https://www.rawpixel.com/image/8627228/image-art-vintage-public-domainFree Image from public domain licenseFree doberman dog standing on dry leaf image, public domain animal CC0 photo. https://www.rawpixel.com/image/5922373/photo-image-background-public-domain-dogFree Image from public domain licenseClose-up of a tabby cat's face with its eyes wide open. Original public domain image from Wikimedia Commons https://www.rawpixel.com/image/3286560/free-photo-image-pet-kitten-adorableFree Image from public domain licenseTo kill pain - get a Bell-cap-sic Plaster - no home complete without one (1891) chromolithograph art by J. M. Grosvenor &… https://www.rawpixel.com/image/9700665/image-dog-medicines-artsFree Image from public domain licenseThe head of a griffon dog. Coloured lithograph by J.B.A. Lafosse after W. Barraud. https://www.rawpixel.com/image/13965977/image-dog-art-black-backgroundFree Image from public domain licenseGiant pandas, the star attraction at the Smithsonian Institution's National Zoo. Original image from Carol M.… https://www.rawpixel.com/image/421952/two-pandasFree Image from public domain licenseTwo baby lambs with trimmed coat looking at the camera while grazing in a green pasture on a sunny day. Original public… https://www.rawpixel.com/image/3285265/free-photo-image-lamb-farm-animal-cc0Free Image from public domain licenseFree bulldog puppy held by a woman image, public domain animal CC0 photo. https://www.rawpixel.com/image/5927446/photo-image-background-public-domain-cuteFree Image from public domain licenseMastiff dog (1584–1604) aesthetic drawing by Jakob Walther. Original public domain image from the National Gallery of… https://www.rawpixel.com/image/8543948/image-aesthetic-art-vintageFree Image from public domain licenseU.S. Department of Agriculture (USDA) Animal and Plant Health Inspection Service (APHIS) Plant Protection and Quarantine… https://www.rawpixel.com/image/3259422/free-photo-image-dog-animal-canineFree Image from public domain licenseA fat and sassy prairie dog on the grounds of Devil's Tower National Monument in Crook County, Wyoming. Original image from… https://www.rawpixel.com/image/434365/prairie-dogFree Image from public domain licenseAdorable hedgehog during the falls in Niegowonice, Poland. Original public domain image from Wikimedia Commons https://www.rawpixel.com/image/3284021/free-photo-image-animal-cute-dry-leavesFree Image from public domain license