https://creativecommons.org/publicdomain/zero/1.0/https://www.rawpixel.com/image/14014358Edit ImageSaveSaveEditCropCustom TextA wolf barking at a porcupine standing on the rock above it. Etching by W-S Howitt, ca 1809.Original public domain image from Wellcome CollectionMorePublic DomainFree CC0 image for Personal and Business useInfoView CC0 LicenseJPEGSmall JPEG 1200 x 834 px | 300 dpiLarge JPEG 3298 x 2291 px | 300 dpiFree DownloadA wolf barking at a porcupine standing on the rock above it. Etching by W-S Howitt, ca 1809.More