Rook (Corvus Frugilegus) illustrated by the von Wright brothers. Digitally enhanced from our own 1929 folio version of… https://www.rawpixel.com/image/326055/free-illustration-image-von-wright-brothers-rook-animalsFree Image from public domain licenseRook (Corvus Frugilegus) illustrated by the von Wright brothers. Digitally enhanced from our own 1929 folio version of… https://www.rawpixel.com/image/326140/premium-illustration-psd-rook-america-ancientView license