https://creativecommons.org/publicdomain/zero/1.0/https://www.rawpixel.com/image/277411Edit ImageSaveSaveEditCropCustom TextPurple Grakle or Common Crow Blackbird from Birds of America (1827) by John James Audubon, etched by William Home Lizars. Original from University of Pittsburg. Digitally enhanced by rawpixel.MorePublic DomainFree CC0 image for Personal and Business useInfoView CC0 LicenseJPEGTIFFSmall JPEG 939 x 1200 px | 300 dpiLarge JPEG 2113 x 2700 px | 300 dpiTIFF 2113 x 2700 px | 300 dpi | 16.36 MBFree DownloadPurple Grakle or Common Crow Blackbird from Birds of America (1827) by John James Audubon, etched by William Home Lizars. Original from University of Pittsburg. Digitally enhanced by rawpixel.More