https://creativecommons.org/publicdomain/zero/1.0/https://www.rawpixel.com/image/13971048
A male frog, playing a guitar, serenading a female seated on a mushroom. Photograph by J.P. Soule, 1876, after a drawing.
A male frog, playing a guitar, serenading a female seated on a mushroom. Photograph by J.P. Soule, 1876, after a drawing.
Original public domain image from Wellcome Collection
Public DomainFree CC0 image for Personal and Business use