North American River Otter (2014) by Abby Wood. Original from Smithsonian's National Zoo. Digitally enhanced by rawpixel. https://www.rawpixel.com/image/3060037/free-photo-image-otter-zoo-animals-beaverFree Image from public domain license
Gray Seal (2013) by Abby Wood. Original from Smithsonian's National Zoo. Digitally enhanced by rawpixel. https://www.rawpixel.com/image/3060039/free-photo-image-zoo-animals-seal-abby-woodFree Image from public domain license