https://creativecommons.org/publicdomain/zero/1.0/https://www.rawpixel.com/image/13988519Edit ImageSaveSaveEditCropCustom TextSkeleton and skull bones of a bird: eight figures. Lithograph by J. Erxleben, after C.W. Parker, 1840/1860.Original public domain image from Wellcome CollectionMorePublic DomainFree CC0 image for Personal and Business useInfoView CC0 LicenseJPEGSmall JPEG 1200 x 723 px | 300 dpiLarge JPEG 3448 x 2076 px | 300 dpiFree DownloadSkeleton and skull bones of a bird: eight figures. Lithograph by J. Erxleben, after C.W. Parker, 1840/1860.More