Surinam toad (Pipa americana) illustrated by Charles Dessalines D' Orbigny (1806-1876). Digitally enhanced from our own 1892… https://www.rawpixel.com/image/324108/premium-illustration-psd-ancient-animal-antiqueView licenseA close-up of a dark green frog sitting on the gravel. Original public domain image from Wikimedia Commons https://www.rawpixel.com/image/3294250/free-photo-image-amphibian-animal-animals-images-picturesFree Image from public domain licenseWandering garter snake (Thamnophis elegans vagrans) by Jacob W. Frank. Original public domain image from Flickr https://www.rawpixel.com/image/4038309/photo-image-tree-plant-forestFree Image from public domain licenseNaulta Mushroom Tongue Salamander Coca Ecuador. Original public domain image from Wikimedia Commons https://www.rawpixel.com/image/3371761/free-photo-image-amphibian-animal-cc0Free Image from public domain licenseColumbia spotted frog on a logby Jacob W. Frank. Original public domain image from Flickr https://www.rawpixel.com/image/4038320/photo-image-animal-public-domainFree Image from public domain licenseNorthern Leopard Frog on the bank of the Milk River near Glasgow, MT. August 2011. Original public domain image from Flickr https://www.rawpixel.com/image/3335576/free-photo-image-amphibian-animal-cc0Free Image from public domain licenseClose up of a frog in Thailand https://www.rawpixel.com/image/486374/premium-photo-image-frog-skin-pupilView licenseSurinam toad (Pipa americana) illustrated by Charles Dessalines D' Orbigny (1806-1876). Digitally enhanced from our own 1892… https://www.rawpixel.com/image/324226/premium-illustration-image-ancient-animal-antiqueView licenseOval frog (Engystoma ovale) illustrated by Charles Dessalines D' Orbigny (1806-1876). Digitally enhanced from our own 1892… https://www.rawpixel.com/image/324222/premium-illustration-psd-ancient-animal-antiqueView licenseAmerican Toads MatingWe spotted a large group of American toads loudly calling and mating in a Minneapolis wetland. Look… https://www.rawpixel.com/image/4028381/photo-image-bird-natureFree Image from public domain licenseOval frog (Engystoma ovale) illustrated by Charles Dessalines D' Orbigny (1806-1876). Digitally enhanced from our own 1892… https://www.rawpixel.com/image/324186/premium-illustration-image-frog-ancient-animalView licenseAmerican ToadPhoto by Courtney Celley/USFWS. Original public domain image from Flickr https://www.rawpixel.com/image/4028385/photo-image-nature-animalFree Image from public domain licenseColumbia spotted frog profile (Rana luteiventris) by Jacob W. Frank. Original public domain image from Flickr https://www.rawpixel.com/image/4038571/photo-image-water-animalFree Image from public domain licenseHistoria naturalis ranarum nostratium in qua omnes earum proprietates, praesertim quae ad generalionem ipsarum pertinent… https://www.rawpixel.com/image/14015374/image-paper-cartoon-plantFree Image from public domain licenseVintage oval frog png, remix from artworks by Charles Dessalines D'orbigny https://www.rawpixel.com/image/2612336/free-illustration-png-frog-vintage-animalsView licenseVintage oval frog png, remix from artworks by Charles Dessalines D'orbigny https://www.rawpixel.com/image/2612273/free-illustration-png-frog-animal-png-amphibianView licenseMacro shot of real toad hiding in the tree https://www.rawpixel.com/image/52427/premium-photo-image-frog-animal-barkView licensePoint Pleasant (vicinity), West Virginia. Porcelain frog on lawn of retired riverboat pilot. Sourced from the Library of… https://www.rawpixel.com/image/12293362/photo-image-plant-grass-animalFree Image from public domain license