https://creativecommons.org/publicdomain/zero/1.0/https://www.rawpixel.com/image/326080Edit ImageSaveSaveEditCropCustom TextHYDROCHELIDON NIGRA illustrated by the von Wright brothers. Digitally enhanced from our own 1929 folio version of Svenska Fåglar Efter Naturen Och Pa Sten Ritade.MorePublic DomainFree CC0 image for Personal and Business useInfoView CC0 LicenseJPEGTIFFSmall JPEG 870 x 1200 px | 300 dpiLarge JPEG 2538 x 3500 px | 300 dpiBest Quality JPEG 5439 x 7500 px | 300 dpiTIFF 5439 x 7500 px | 300 dpi | 233.44 MBFree DownloadHYDROCHELIDON NIGRA illustrated by the von Wright brothers. Digitally enhanced from our own 1929 folio version of Svenska Fåglar Efter Naturen Och Pa Sten Ritade.More