Close-up of a domestic cat's large blue eye. Original public domain image from Wikimedia Commons https://www.rawpixel.com/image/3286690/free-photo-image-fur-gato-animalFree Image from public domain licenseRuth Comfort Mitchell in Front of Her Home, Yung See San Fong House, Los Gatos by Louis Fleckenstein https://www.rawpixel.com/image/14254524/image-dog-horse-faceFree Image from public domain license