Buffel-headed Duck from Birds of America (1827) by John James Audubon, etched by William Home Lizars. Original from… https://www.rawpixel.com/image/277264/free-illustration-image-audubon-birds-america-public-domain-duckFree Image from public domain license Panel 16: Old-squaw, Buffle-head, Golden-eye, Barrow's Golden Eye by Louis Agassiz Fuertes https://www.rawpixel.com/image/8905466/image-watercolor-art-vintageFree Image from public domain licenseBufflehead duck (Charitonetta albeola): male and female. Reproduction of a painting by J. J. Audubon, ca. 1827. https://www.rawpixel.com/image/14007196/image-cartoon-art-animalFree Image from public domain license