https://creativecommons.org/publicdomain/zero/1.0/https://www.rawpixel.com/image/277309Edit ImageSaveSaveEditCropCustom TextRuby-throated Humming Bird 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 988 x 1200 px | 300 dpiLarge JPEG 2140 x 2600 px | 300 dpiTIFF 2140 x 2600 px | 300 dpi | 15.95 MBFree DownloadRuby-throated Humming Bird from Birds of America (1827) by John James Audubon, etched by William Home Lizars. Original from University of Pittsburg. Digitally enhanced by rawpixel.More