Png sticker ferruginous duck bird hand drawn https://www.rawpixel.com/image/2637133/free-illustration-png-animal-png-duck-scandinavianView licenseFerruginous duck male (Nyroca fuligule) illustrated by the von Wright brothers. Digitally enhanced from our own 1929 folio… https://www.rawpixel.com/image/326257/free-illustration-image-duck-von-wright-brothers-birdFree Image from public domain licenseFerruginous duck female (Nyroca fuligule) illustrated by the von Wright brothers. Digitally enhanced from our own 1929 folio… https://www.rawpixel.com/image/325715/free-illustration-image-von-wright-brothers-duck-birdFree Image from public domain 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 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 license