This image was acquired from
wikimedia. It was marked as Public Domain or CC0 and is free to use. To verify, go to the source and check the information there.
Keywords from Image Description:
Wilson pigeon hawk retouched. pigeon hawk merlin Falco columbarius crouched on branch and facing upperleft by Alexander Wilson engraver Murray Cropped and retouched to isolate this bird from the others that were on the same page American Ornithology volume plate figure From virginia edu html Alexander Wilson Pelagic Source