A young alchemist works a bellows at his furnace. Etching by T. Major, 1755, after D. Teniers the younger. https://www.rawpixel.com/image/14019988/image-cartoon-person-artFree Image from public domain license
Dese kat / en snoept niet (1761 - 1804) by Erven de Weduwe Jacobus van Egmont and anonymous https://www.rawpixel.com/image/13768313/image-paper-cat-cartoonFree Image from public domain license
Plattegrond van Amsterdam met stadsgezicht (1695 - 1720) by Pieter Hendricksz Schut, Nicolaes Pietersz Berchem, Nicolaes… https://www.rawpixel.com/image/13776369/image-paper-person-artFree Image from public domain license
Owl, animal isolated image https://www.rawpixel.com/image/9237858/owl-animal-isolated-imageView license
An owl and cuckoo with other birds behind. Engraving by H. Le Roy. https://www.rawpixel.com/image/14008498/owl-and-cuckoo-with-other-birds-behind-engraving-royFree Image from public domain license
Barn owl bird isolated image https://www.rawpixel.com/image/8902340/barn-owl-bird-isolated-imageView license
Above, an insect, a musk rat, a siren (eel-shaped taile amphibian), and two hawk moths; below, a shark, a sponge, a… https://www.rawpixel.com/image/13980226/image-butterfly-cartoon-artFree Image from public domain license
Beeld van een uil (in or before 1830) by Leendert Springer I, Leendert Springer I and Samuel and Joannes Luchtmans https://www.rawpixel.com/image/13779930/image-paper-cartoon-faceFree Image from public domain license
Tetradrachm (Coin) Depicting the Goddess Athena by Ancient Greek https://www.rawpixel.com/image/9021651/tetradrachm-coin-depicting-the-goddess-athena-ancient-greekFree Image from public domain license
An anatomical dissection by Jean Riolan the younger (1580-1657). Engraving of 1649 by Renier van Persyn after a design of… https://www.rawpixel.com/image/13986339/image-cartoon-face-personFree Image from public domain license
Beeld van een uil (in or before 1830) by Leendert Springer I, Leendert Springer I and Samuel and Joannes Luchtmans https://www.rawpixel.com/image/13779931/image-paper-cartoon-artFree Image from public domain license
A surgeon treating an elderly man's foot, in the background an assistant is mixing a concoction with a pestle and mortar.… https://www.rawpixel.com/image/14010375/image-background-cartoon-personFree Image from public domain license
Beeld van een uil (in or before 1830) by Leendert Springer I, Leendert Springer I and Samuel and Joannes Luchtmans https://www.rawpixel.com/image/13779683/image-paper-cartoon-personFree Image from public domain license
Owl in ripped paper badge, nocturnal animal photo https://www.rawpixel.com/image/6708953/owl-ripped-paper-badge-nocturnal-animal-photoView license
Fledged great horned owl chick walking out on a limb by Jacob W. Frank. Original public domain image from Flickr https://www.rawpixel.com/image/4038042/photo-image-bird-animalFree Image from public domain license
Northern pygmy owl at Lewis and Clark Caverns State Park in Jefferson County, Montana. October 2013. Original public domain… https://www.rawpixel.com/image/3335573/free-photo-image-accipiter-animal-anthusFree Image from public domain license