https://creativecommons.org/publicdomain/zero/1.0/https://www.rawpixel.com/image/13962800Edit ImageSaveSaveEditCropCustom TextNine birds, including a woodpecker, bullfinch, pippets and wrens, all perching on a tree. Coloured etching, ca. 1820.Original public domain image from Wellcome CollectionMorePublic DomainFree CC0 image for Personal and Business useInfoView CC0 LicenseJPEGSmall JPEG 1200 x 832 px | 300 dpiLarge JPEG 3467 x 2404 px | 300 dpiFree DownloadNine birds, including a woodpecker, bullfinch, pippets and wrens, all perching on a tree. Coloured etching, ca. 1820.More