I ran across this illustration on Wikimedia Commons from an 1849 publication I had not encountered before. The original scan was very good and I was able to clean it up easily. I white-balanced the background, removed some manually, and did the usual bit of cloning to remove schmutz. With a little color enhancement, I feel it looks very nice--fresh off the artist's table. A reference I have on bird art says these were hand-colored lithographs. Artist and lithographer of this one is Paul Louis Oudart (1796-1860).Guadeloupe woodpecker - Melanerpes herminieriSource: Iconographie ornithologiqueAuthor: Marc Athanase Parfait illet Des Murs (1804-1878)Original source: archive.org/stream/Iconographieorn00DesMA#page/n387/mode/2up
I found this reproduction of a work by Louis Agassiz Fuertes (1874-1927) some years ago on e-bay. It is from an obscure SUNY publication from 1951, and was published without copyright notice. (Such notice was required for copyright at that time.) As far as I can determine, this work is in the public domain. I have not seen this work reproduced elsewhere.The legend in the original publication notes it is "from a previously unpublished sketch from life by Louis Agassiz Fuertes, 1903...Courtesy of Department of Birds, American Museum of Natural History".It is a very good color half-tone, but has some foxing and a few printing glitches. After descreening and some retouching, I was happy enough with the results to share it.