https://creativecommons.org/publicdomain/zero/1.0/https://www.rawpixel.com/image/14001820
A disguised fox is peering through a vault into a yard, trying to beguile the birds in the enclosure. Etching by J. E. Ridinger.
Original public domain image from Wellcome Collection
Public DomainFree CC0 image for Personal and Business use