Common Pochard female (Nyroca ferina) illustrated by the von Wright brothers. Digitally enhanced from our own 1929 folio… https://www.rawpixel.com/image/326120/free-illustration-image-von-wright-brothers-century-birdFree Image from public domain licenseCommon Pochard male ♂ (Nyroca ferina) illustrated by the von Wright brothers. Digitally enhanced from our own 1929 folio… https://www.rawpixel.com/image/326066/free-illustration-image-von-wright-brothers-wright-birdFree Image from public domain licenseCommon Pochard male ♂ (Nyroca ferina) illustrated by the von Wright brothers. Digitally enhanced from our own 1929 folio… https://www.rawpixel.com/image/326170/premium-illustration-psd-common-pochard-america-ancientView licenseCommon Pochard female (Nyroca ferina) illustrated by the von Wright brothers. Digitally enhanced from our own 1929 folio… https://www.rawpixel.com/image/326108/premium-illustration-psd-common-pochard-america-ancientView license