One of the 435 engravings to be found in naturalist and painter John James Audubon's epic The Birds of America, first published as a series in sections between 1827 and 1838, in Edinburgh and London. Based upon original paintings by Audubon, each illustartive plate was engraved, printed, and hand colored by Robert Havell of London, and measured around 39 by 26 inches (99 by 66 cm). (Image source: RawPixel)