https://creativecommons.org/publicdomain/zero/1.0/https://www.rawpixel.com/image/13951586Edit ImageSaveSaveEditCropCustom TextWaterfowl: three varieties, including a mallard and a white goose . Chromolithograph by F. Gerasch after A. Gerasch, 1860/1880.Original public domain image from Wellcome CollectionMorePublic DomainFree CC0 image for Personal and Business useInfoView CC0 LicenseJPEGSmall JPEG 1200 x 907 px | 300 dpiLarge JPEG 3052 x 2308 px | 300 dpiFree DownloadWaterfowl: three varieties, including a mallard and a white goose . Chromolithograph by F. Gerasch after A. Gerasch, 1860/1880.More