https://creativecommons.org/publicdomain/zero/1.0/https://www.rawpixel.com/image/277249Edit ImageSaveSaveEditCropCustom TextBlue Yellow back Warbler 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 825 x 1200 px | 300 dpiLarge JPEG 1718 x 2500 px | 300 dpiTIFF 1718 x 2500 px | 300 dpi | 12.32 MBFree DownloadBlue Yellow back Warbler from Birds of America (1827) by John James Audubon, etched by William Home Lizars. Original from University of Pittsburg. Digitally enhanced by rawpixel.More