Summer Duck illustration from The Naturalist's Miscellany (1789-1813) by George Shaw (1751-1813) https://www.rawpixel.com/image/386344/free-illustration-image-duck-vintage-summer-zoologyFree Image from public domain licenseDuck-billed platypus from Zoological lectures delivered at the Royal institution in the years 1806-7 illustrated by George… https://www.rawpixel.com/image/378095/premium-illustration-psd-animal-antique-duck-billed-platypusView licenseSpotted Billed Duck (Anas poecillorhyncha) from Illustrations of Indian zoology (1830-1834) by John Edward Gray (1800-1875).… https://www.rawpixel.com/image/329757/free-illustration-image-india-john-edward-grey-birdsFree Image from public domain licensePodiceps Cristatus illustrated by the von Wright brothers. Digitally enhanced from our own 1929 folio version of Svenska… https://www.rawpixel.com/image/326226/premium-illustration-psd-america-ancient-animalView licenseMallard female (Anas platyrhynchos) illustrated by the von Wright brothers. Digitally enhanced from our own 1929 folio… https://www.rawpixel.com/image/326168/premium-illustration-psd-von-wright-brothers-america-anas-platyrhynchosView licenseGreate Scaup, Scaup male ♂ (Nyroca marila) illustrated by the von Wright brothers. Digitally enhanced from our own 1929… https://www.rawpixel.com/image/326162/premium-illustration-psd-ducks-america-ancientView licenseHarelda Hyemalis (Long-tailed Duck female) illustrated by the von Wright brothers. Digitally enhanced from our own 1929… https://www.rawpixel.com/image/326265/premium-illustration-psd-america-ancient-animalView licenseEniconetta Stelleri illustrated by the von Wright brothers. Digitally enhanced from our own 1929 folio version of Svenska… https://www.rawpixel.com/image/326289/premium-illustration-psd-stelleri-america-ancientView licenseRed-throated loon (Colymbus Stellatus) illustrated by the von Wright brothers. Digitally enhanced from our own 1929 folio… https://www.rawpixel.com/image/326278/premium-illustration-psd-america-ancient-animalView licenseEurasian wigeon male (Anas (Mereca) penelope) illustrated by the von Wright brothers. Digitally enhanced from our own 1929… https://www.rawpixel.com/image/326184/premium-illustration-psd-america-anas-ancientView licenseShelduck (TADORNA TADORNA) illustrated by the von Wright brothers. Digitally enhanced from our own 1929 folio version of… https://www.rawpixel.com/image/326260/premium-illustration-psd-tadorna-tadorna-von-wright-brothers-americaView licenseBlack-throated loon (Colymbus arcticus) illustrated by the von Wright brothers. Digitally enhanced from our own 1929 folio… https://www.rawpixel.com/image/326222/premium-illustration-psd-loon-america-ancientView licenseFerruginous duck male (Nyroca fuligule) illustrated by the von Wright brothers. Digitally enhanced from our own 1929 folio… https://www.rawpixel.com/image/326267/premium-illustration-psd-america-ancient-animalView licenseLong-tailed Duck male (Harelda hyemalis) illustrated by the von Wright brothers. Digitally enhanced from our own 1929 folio… https://www.rawpixel.com/image/326012/premium-illustration-psd-america-ancient-animalView licenseDifferent types ofbirds illustrated by the von Wright brothers. Digitally enhanced from our own 1929 folio version of… https://www.rawpixel.com/image/326124/premium-illustration-psd-swan-goose-americaView licenseEniconetta stelleri ♂ illustrated by the von Wright brothers. Digitally enhanced from our own 1929 folio version of Svenska… https://www.rawpixel.com/image/326037/premium-illustration-psd-von-wright-brothers-america-ancientView licenseVelvet Scoter male (Oidemia fusca) illustrated by the von Wright brothers. Digitally enhanced from our own 1929 folio… https://www.rawpixel.com/image/325970/premium-illustration-psd-abstract-america-ancientView licenseLong-tailed Duck (Harelda hyemalis) illustrated by the von Wright brothers. Digitally enhanced from our own 1929 folio… https://www.rawpixel.com/image/325995/premium-illustration-psd-america-ancient-animalView licenseGoldeneye male (Bucephala clangula) illustrated by the von Wright brothers. Digitally enhanced from our own 1929 folio… https://www.rawpixel.com/image/325627/premium-illustration-psd-abstract-america-ancientView licenseEurasian wigeon (Anas(mereca) penelope.) illustrated by the von Wright brothers. Digitally enhanced from our own 1929 folio… https://www.rawpixel.com/image/325651/premium-illustration-psd-abstract-america-anasView licenseEurasian wigeon female (Anas(mereca) penelope) illustrated by the von Wright brothers. Digitally enhanced from our own 1929… https://www.rawpixel.com/image/325694/premium-illustration-psd-abstract-america-anasView licenseNorthern Pintail (Anas(dafila) acuta) illustrated by the von Wright brothers. Digitally enhanced from our own 1929 folio… https://www.rawpixel.com/image/325616/premium-illustration-psd-anas-acuta-americaView licenseGreater Scaup (Nyroca marila) illustrated by the von Wright brothers. Digitally enhanced from our own 1929 folio version of… https://www.rawpixel.com/image/325684/premium-illustration-psd-america-ancient-animalView licenseAnas (Nettion) Crecca illustrated by the von Wright brothers. Digitally enhanced from our own 1929 folio version of Svenska… https://www.rawpixel.com/image/325692/premium-illustration-psd-america-anas-ancientView licenseGadwall (Anas (Chauelasmus) Strepera) illustrated by the von Wright brothers. Digitally enhanced from our own 1929 folio… https://www.rawpixel.com/image/325655/premium-illustration-psd-abstract-america-anasView licenseFerruginous duck female (Nyroca fuligule) illustrated by the von Wright brothers. Digitally enhanced from our own 1929 folio… https://www.rawpixel.com/image/325650/premium-illustration-psd-america-ancient-animalView licensePintail (Anas acuta) illustrated by the von Wright brothers. Digitally enhanced from our own 1929 folio version of Svenska… https://www.rawpixel.com/image/325689/premium-illustration-psd-america-anas-acuta-ancientView licenseMallard female (Anas platyrhynchos) illustrated by the von Wright brothers. Digitally enhanced from our own 1929 folio… https://www.rawpixel.com/image/325642/premium-illustration-psd-mallard-america-anas-platyrhynchosView licenseLong-tailed Duck male (Harelda hyemalis) illustrated by the von Wright brothers. Digitally enhanced from our own 1929 folio… https://www.rawpixel.com/image/325682/premium-illustration-psd-america-ancient-animalView licenseGreater Scaup, Scaup (Nyroca marila) illustrated by the von Wright brothers. Digitally enhanced from our own 1929 folio… https://www.rawpixel.com/image/325686/premium-illustration-psd-america-ancient-animalView licenseDifferent types of animals illustrated by Charles Dessalines D' Orbigny (1806-1876). Digitally enhanced from our own 1892… https://www.rawpixel.com/image/323613/premium-illustration-psd-loon-horse-vintage-charles-alligatorView licenseYellow-billed Albatros (Diomedea chlororhynchos) illustrated by Elizabeth Gould (1804–1841) for John Gould’s… https://www.rawpixel.com/image/321551/free-illustration-image-century-gould-illustrations-duckFree Image from public domain licenseGolden-eye Duck from Birds of America (1827) by John James Audubon (1785 - 1851), etched by Robert Havell (1793 - 1878).… https://www.rawpixel.com/image/277585/free-illustration-image-audubon-duck-birds-america-public-domainFree Image from public domain licenseWestern Duck from Birds of America (1827) by John James Audubon (1785 - 1851), etched by Robert Havell (1793 - 1878).… https://www.rawpixel.com/image/277375/free-illustration-image-duck-audubon-birds-america-public-domainFree Image from public domain licenseGadwall Duck from Birds of America (1827) by John James Audubon, etched by William Home Lizars. Original from University of… https://www.rawpixel.com/image/277335/free-illustration-image-audubon-birds-america-public-domain-vintageFree Image from public domain licenseSummer, or Wood Duck from Birds of America (1827) by John James Audubon, etched by William Home Lizars. Original from… https://www.rawpixel.com/image/277331/free-illustration-image-audubon-duck-birds-america-public-domainFree Image from public domain license