Red-footed Falcon (Falco rufipes) illustrated by Charles Dessalines D' Orbigny (1806-1876). Digitally enhanced from our own…
https://www.rawpixel.com/image/324331/free-illustration-image-falcon-bird-dictionnaire-universel-dhistoire-naturelleFree Image from public domain license
Common Kestrel male (Falco tinnunculus) illustrated by the von Wright brothers. Digitally enhanced from our own 1929 folio…
Le Petit Caporal from Birds of America (1827) by John James Audubon, etched by William Home Lizars. Original from University…
https://www.rawpixel.com/image/277332/free-illustration-image-audubon-birds-america-public-domain-falco-columbariusFree Image from public domain license
Vintage red-footed falcon bird png, remix from artworks by Charles Dessalines D'orbigny