Lesser spotted woodpecker (male) and eurasian golden oriole (female), 1830, by Ferdinand von Wright https://www.rawpixel.com/image/8864846/image-art-golden-public-domainFree Image from public domain licenseGolden eagle png wild animal, transparent background. Remixed by rawpixel. https://www.rawpixel.com/image/10206668/png-vintage-goldenView licenseEagle on tree branch (1900 - 1910) by Ohara Koson (1877-1945). Original from The Rijksmuseum. Digitally enhanced by rawpixel. https://www.rawpixel.com/image/436690/free-illustration-image-eagle-japan-japaneseFree Image from public domain licenseEagle lurking at a prey (1877-1930) by Ohara Koson (1877-1945). Original from The Rijksmuseum. Digitally enhanced by… https://www.rawpixel.com/image/436459/free-illustration-image-eagle-japan-vintageFree Image from public domain licenseRed crossbill (Loxia curvirostra bird) illustrated by the von Wright brothers. Digitally enhanced from our own 1929 folio… https://www.rawpixel.com/image/326084/premium-illustration-image-crossbill-bird-abstract-von-wright-brothersView licenseGolden eagle, wildlife illustration psd. Remixed by rawpixel. https://www.rawpixel.com/image/10206671/psd-vintage-golden-illustrationView licenseGreat Tit (1829) by Wilhelm von Wright, vintage bird illustration. Original public domain image from Finnish National… https://www.rawpixel.com/image/9851266/image-art-watercolour-illustrationsFree Image from public domain licenseRed crossbill (Loxia curvirostra bird) illustrated by the von Wright brothers. Digitally enhanced from our own 1929 folio… https://www.rawpixel.com/image/325864/premium-illustration-psd-crossbill-von-wright-brothers-loxia-curvirostraView license