Powerful Owl (Athene strenua) illustrated by Elizabeth Gould (1804–1841) for John Gould’s (1804-1881) Birds of… https://www.rawpixel.com/image/321091/free-illustration-image-owl-australia-powerfulFree Image from public domain licenseStrix aluco (Tawny owl) illustrated by the von Wright brothers. Digitally enhanced from our own 1929 folio version of… https://www.rawpixel.com/image/325873/free-illustration-image-owl-strix-aluco-von-wright-brothersFree Image from public domain licenseSooty Owl (Strix tenebricosus, Gould) illustrated by Elizabeth Gould (1804–1841) for John Gould’s (1804-1881)… https://www.rawpixel.com/image/321058/free-illustration-image-owl-birds-prey-australiaFree Image from public domain licenseGlaucidium passerinum illustrated by the von Wright brothers. Digitally enhanced from our own 1929 folio version of Svenska… https://www.rawpixel.com/image/325613/free-illustration-image-owl-von-wright-brothersFree Image from public domain licenseTengmalm's Owl from Birds of America (1827) by John James Audubon, etched by William Home Lizars. Original from University… https://www.rawpixel.com/image/277452/free-illustration-image-owl-audubon-america-birds-public-domain-audubonFree Image from public domain licenseRufous Owl (Athene rufa) illustrated by Elizabeth Gould (1804–1841) for John Gould’s (1804-1881) Birds of… https://www.rawpixel.com/image/321084/free-illustration-image-owl-vintage-australiaFree Image from public domain licenseBoobook Owl (Athene boobook) illustrated by Elizabeth Gould (1804–1841) for John Gould’s (1804-1881) Birds of… https://www.rawpixel.com/image/321039/free-illustration-image-owl-australia-gouldFree Image from public domain license28. The American Barn Owl (Strix pratincola) 29. The Great Gray Owl (Syrnium cinereum) illustration from Zoology of New York… https://www.rawpixel.com/image/329364/free-illustration-image-owl-barn-vintageFree Image from public domain license25. & 26. The Little Screech Owl (Bubo asio) 27. The Short-eared Owl (Otus palustris) illustration from Zoology of New York… https://www.rawpixel.com/image/329351/free-illustration-image-owl-vintage-james-ellsworthFree Image from public domain license19. The Hawk Owl (Surnia funerea) 20. The Snow Owl (Surnia nyctea) illustration from Zoology of New York (1842–1844)… https://www.rawpixel.com/image/329331/free-illustration-image-owl-snow-birdFree Image from public domain licenseWinking Owl (Athene connivers) illustrated by Elizabeth Gould (1804–1841) for John Gould’s (1804-1881) Birds of… https://www.rawpixel.com/image/321061/free-illustration-image-owl-australia-john-gouldFree Image from public domain licenseDead owl by Jean Bernard (1775-1883). Original from The Rijksmuseum. Digitally enhanced by rawpixel. https://www.rawpixel.com/image/481340/free-illustration-image-owl-dead-birdsFree Image from public domain licenseColorful bird clipart collection png https://www.rawpixel.com/image/2617510/free-illustration-png-vintage-bird-tropicalView licenseStrix uralensis ♀ illustrated by the von Wright brothers. Digitally enhanced from our own 1929 folio version of Svenska… https://www.rawpixel.com/image/326020/premium-illustration-psd-strix-von-wright-brothers-owl-ilustrationView licensePNG Drawing of owls, transparent background https://www.rawpixel.com/image/572034/png-drawing-owls-transparent-backgroundView licenseHand drawn butterfly vintage colorful collection https://www.rawpixel.com/image/2737096/premium-illustration-image-peacock-butterfly-owlView licenseVintage animal illustration https://www.rawpixel.com/image/451700/premium-illustration-vector-animal-antique-birdView licenseSnowy Owl illustration https://www.rawpixel.com/image/457887/free-illustration-vector-owl-america-antiqueView licenseVintage Illustration of Great Horned Owl https://www.rawpixel.com/image/457751/premium-illustration-image-audubon-america-antiqueView licenseColorful butterfly clipart collection psd https://www.rawpixel.com/image/2620708/premium-illustration-psd-butterfly-peacock-vintageView licenseOwl icon from L'ornement Polychrome (1888) by Albert Racinet (1825–1893). Digitally enhanced from our own original… https://www.rawpixel.com/image/329001/premium-illustration-psd-lornement-polychrome-abstract-albertView licenseGlaucidium passerinum illustrated by the von Wright brothers. Digitally enhanced from our own 1929 folio version of Svenska… https://www.rawpixel.com/image/325983/premium-illustration-psd-glaucidium-passerinum-america-ancientView licenseGreat Horned Owl illustration https://www.rawpixel.com/image/457866/free-illustration-vector-vintage-america-antiqueView licenseShort-eared Owl (Asio flammeus) illustrated by the von Wright brothers. Digitally enhanced from our own 1929 folio version… https://www.rawpixel.com/image/326206/premium-illustration-psd-asio-flammeus-abstract-americaView licenseVintage animal illustration https://www.rawpixel.com/image/451662/premium-illustration-vector-owl-vintage-indian-zoologyView licenseStrix aluco (Tawny owl) illustrated by the von Wright brothers. Digitally enhanced from our own 1929 folio version of… https://www.rawpixel.com/image/326281/premium-illustration-psd-strix-aluco-americaView licenseBirds black and white png set sketch https://www.rawpixel.com/image/2607286/free-illustration-png-animal-png-black-and-white-animals-portraitView licenseHand drawn butterfly vintage vector set https://www.rawpixel.com/image/2707792/premium-illustration-vector-cassava-androgeus-swallowtail-animalView licenseGreat Horned Owl illustration https://www.rawpixel.com/image/457924/free-illustration-vector-vintage-owl-birds-drawing-americaView licenseSnowy Owl illustration https://www.rawpixel.com/image/457899/free-illustration-vector-audubon-america-antiqueView licenseGreat Horned Owl illustration https://www.rawpixel.com/image/457867/free-illustration-vector-audubon-america-antiqueView licenseHand drawn birds vintage vector set https://www.rawpixel.com/image/2707780/premium-illustration-vector-vintage-bird-set-mask-animalView licenseBirds of prey vintage owl and eagle illustration set https://www.rawpixel.com/image/2678030/premium-illustration-image-white-owl-flying-advertisement-animalView licenseBirds of prey vintage owl and eagle illustration set https://www.rawpixel.com/image/2678031/premium-illustration-image-animal-antique-drawingView licenseBirds of prey vintage owl and eagle illustration set https://www.rawpixel.com/image/2678013/premium-illustration-image-white-owl-flying-antique-animalView licenseBirds of prey vintage owl and eagle illustration set https://www.rawpixel.com/image/2678018/premium-illustration-image-vulture-animal-antiqueView licenseHand drawn birds vintage colorful collection https://www.rawpixel.com/image/2737092/premium-illustration-image-animal-collection-setView licenseColorful bird illustration collection psd https://www.rawpixel.com/image/2617505/premium-illustration-psd-animal-collection-setView license