Greenland gyrfalcon.
Archibald Thorburn, from "Coloured figures of the birds of the British islands," vol. 1, issued by Thomas Powys, 4th Baron Lilford London: R. H. Porter, 1885-1897 #illustration #art #birds https://www.oldbookillustrations.com/illustrations/greenland-gyrfalcon/
Edited to correct artist's name