Marsh Harrier (Circus aeruginosus) illustrated by the von Wright brothers. Digitally enhanced from our own 1929 folio… https://www.rawpixel.com/image/325732/free-illustration-image-von-wright-brothers-circus-vintageFree Image from public domain licensePng sticker marsh harrier bird hand drawn https://www.rawpixel.com/image/2637109/free-illustration-png-bird-vintage-birds-eagleView licenseMarsh Harrier (Circus aeruginosus) illustrated by the von Wright brothers. Digitally enhanced from our own 1929 folio… https://www.rawpixel.com/image/325662/premium-illustration-psd-america-ancient-animalView license