Chesnut-Coloured Shieldrake (Casarca Tadornoides) illustrated by Elizabeth Gould (1804–1841) for John Gould’s… https://www.rawpixel.com/image/321365/free-illustration-image-duck-birds-elizabeth-gouldFree Image from public domain licenseRadjah Shieldrake (Tadorna Radjah) illustrated by Elizabeth Gould (1804–1841) for John Gould’s (1804-1881) Birds… https://www.rawpixel.com/image/321384/free-illustration-image-australia-gould-common-shelduckFree Image from public domain license