An otter sitting on a rock in the river having just caught a pike. Etching by J. Tookey after J. C. Ibbetson. https://www.rawpixel.com/image/14018483/image-cloud-cat-artFree Image from public domain license
Honden (1595 - 1633) by Adriaen Collaert, Adriaen Collaert and Theodoor Galle https://www.rawpixel.com/image/13761641/honden-1595-1633-adriaen-collaert-adriaen-collaert-and-theodoor-galleFree Image from public domain license
Evans Park & River Birch Tennis Center, date unknown. Original public domain image from Flickr https://www.rawpixel.com/image/9658689/image-trees-public-domain-photoFree Image from public domain license
A raven standing on a mountain overlooking a castle and a river. Coloured wood engraving by J. W. Whimper. https://www.rawpixel.com/image/13952269/image-mountain-wood-animalFree Image from public domain license
A man is standing on the banks of a river with a broken fishing line and an escaping fish; he then appears from out of the… https://www.rawpixel.com/image/13989905/image-paper-cartoon-personFree Image from public domain license
Free mute swan flapping wings on water image, public domain animal CC0 photo. https://www.rawpixel.com/image/5925225/photo-image-background-public-domain-natureFree Image from public domain license
James Cook. Engraving by Rivers after Sir N. Dance-Holland, 1776. https://www.rawpixel.com/image/13992773/james-cook-engraving-rivers-after-sir-dance-holland-1776Free Image from public domain license