https://creativecommons.org/publicdomain/zero/1.0/https://www.rawpixel.com/image/13955701Edit ImageSaveSaveEditCropCustom TextA pied wagtail feeding a worm to a young cuckoo. Etching by W. Hayes, 1766, after himself.Original public domain image from Wellcome CollectionMorePublic DomainFree CC0 image for Personal and Business useInfoView CC0 LicenseJPEGSmall JPEG 1200 x 856 px | 300 dpiLarge JPEG 3141 x 2240 px | 300 dpiFree DownloadA pied wagtail feeding a worm to a young cuckoo. Etching by W. Hayes, 1766, after himself.More