Head of a shelduck (1828) by Jean Bernard (1775-1883). Original from The Rijksmuseum. Digitally enhanced by rawpixel. https://www.rawpixel.com/image/481311/free-illustration-image-birds-rijks-museum-animal-headsFree Image from public domain licenseChesnut-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 licensePng vintage duck drawing collection https://www.rawpixel.com/image/2640365/free-illustration-png-wild-animals-pochard-birdView licenseShelduck (TADORNA TADORNA) illustrated by the von Wright brothers. Digitally enhanced from our own 1929 folio version of… https://www.rawpixel.com/image/326201/free-illustration-image-duck-abstract-vintage-animalsFree Image from public domain licenseA Pair of Bohemian Waxwings, Shelduck, and Brant Goose with a Ginger Plant (1575-1580) painting in high resolution by Joris… https://www.rawpixel.com/image/3109931/free-illustration-image-bohemian-animal-animalia-volatilia-amphibiaFree Image from public domain licenseTadorna cana (South African shelduck or Cape shelduck) (1777 - 1786) by Robert Jacob Gordon https://www.rawpixel.com/image/13739221/image-paper-plant-artFree Image from public domain licenseBergeend (Tadorna tadorna) (1596 - 1610) by Anselmus Boëtius de Boodt and Elias Verhulst https://www.rawpixel.com/image/13743299/image-paper-cartoon-artFree Image from public domain licenseBergeend (Tadorna tadorna) (1596 - 1610) by Anselmus Boëtius de Boodt and Elias Verhulst https://www.rawpixel.com/image/13743295/image-paper-art-watercolorFree Image from public domain licenseVector mixed ducks hand drawn set https://www.rawpixel.com/image/2686562/premium-illustration-vector-vintage-duck-common-pochardView licenseVintage mixed ducks hand drawn bird collection https://www.rawpixel.com/image/2696515/premium-illustration-image-abstract-animal-artworkView licenseVintage bird psd hand drawn set https://www.rawpixel.com/image/2640382/premium-illustration-psd-common-pochard-animal-artworkView 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