Different types of birds illustrated by Charles Dessalines D' Orbigny (1806-1876). Digitally enhanced from our own 1892… https://www.rawpixel.com/image/323479/free-illustration-image-owl-public-domain-owls-vintageFree Image from public domain licenseSpotted Owl (Athene maculate) illustrated by Elizabeth Gould (1804–1841) for John Gould’s (1804-1881) Birds of… https://www.rawpixel.com/image/321060/free-illustration-image-owl-john-gouldFree Image from public domain licenseMasked Barn Owl (Strix Personata, Vig) illustrated by Elizabeth Gould (1804–1841) for John Gould’s (1804-1881)… https://www.rawpixel.com/image/321037/free-illustration-image-owl-barn-john-gouldFree Image from public domain licenseChestnut-faced Owl (Strix castanops) illustrated by Elizabeth Gould (1804–1841) for John Gould’s (1804-1881)… https://www.rawpixel.com/image/321036/free-illustration-image-owl-john-gould-strix-vintageFree 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 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 licensePowerful 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 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 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 licenseDelicate Owl (Strix delicatulus) illustrated by Elizabeth Gould (1804–1841) for John Gould’s (1804-1881) Birds… https://www.rawpixel.com/image/321080/free-illustration-image-owl-bird-birds-preyFree 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 licenseLittle Screech Owl from Birds of America (1827) by John James Audubon, etched by William Home Lizars. Original from… https://www.rawpixel.com/image/277451/free-illustration-image-owl-little-birdFree Image from public domain licenseHawk Owl from Birds of America (1827) by John James Audubon, etched by William Home Lizars. Original from University of… https://www.rawpixel.com/image/277254/free-illustration-image-owl-audubon-birds-america-public-domainFree Image from public domain licenseLittle Owl from Birds of America (1827) by John James Audubon, etched by William Home Lizars. Original from University of… https://www.rawpixel.com/image/277392/free-illustration-image-owl-audubon-birds-america-public-domainFree Image from public domain licenseLong-eared Owl from Birds of America (1827) by John James Audubon, etched by William Home Lizars. Original from University… https://www.rawpixel.com/image/277372/free-illustration-image-owl-audubon-otus-asioFree Image from public domain licenseBarn Owl from Birds of America (1827) by John James Audubon, etched by William Home Lizars. Original from University of… https://www.rawpixel.com/image/277431/free-illustration-image-owl-audubon-audubon-birds-americaFree Image from public domain licenseGreat Cinereous Owl from Birds of America (1827) by John James Audubon, etched by William Home Lizars. Original from… https://www.rawpixel.com/image/277219/free-illustration-image-owl-audubon-birds-america-public-domainFree Image from public domain license