Bull elk by Obsidian Creek by Diane Renkin. Original public domain image from Flickr https://www.rawpixel.com/image/4038727/photo-image-animal-public-domainFree Image from public domain licenseDark evergreen woods wreathed in dense fog. Original public domain image from Wikimedia Commons https://www.rawpixel.com/image/3293144/free-photo-image-abies-animal-birdFree Image from public domain licenseOriginal public domain image from Flickr https://www.rawpixel.com/image/4026551/original-public-domain-image-from-flickrView licenseWilloughby Spit/Oceanview Project- Liberty Island Dredge. Original public domain image from Flickr https://www.rawpixel.com/image/4036561/photo-image-person-animalFree Image from public domain licenseGlycyrrhiza lepidota, American licorice. Columbus, Montana. June 24, 2007. Original public domain image from Flickr https://www.rawpixel.com/image/3335712/free-photo-image-american-andrena-animalFree Image from public domain licenseEnormous cartilaginous tumours in several of the bones of the hand https://www.rawpixel.com/image/14008474/enormous-cartilaginous-tumours-several-the-bones-the-handFree Image from public domain license