https://creativecommons.org/publicdomain/zero/1.0/https://www.rawpixel.com/image/277220Edit ImageSaveSaveEditCropCustom TextHemlock 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 787 x 1200 px | 300 dpiLarge JPEG 1640 x 2500 px | 300 dpiTIFF 1640 x 2500 px | 300 dpi | 11.76 MBFree DownloadHemlock 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