Bullfighting in Madrid image, free public domain animal CC0 photo. https://www.rawpixel.com/image/5927301/photo-image-background-public-domain-personFree Image from public domain licenseFree river kingfisher bird sitting on stone image, public domain animal CC0 photo. https://www.rawpixel.com/image/5918179/image-background-public-domain-natureFree Image from public domain licenseFree Eurasian hoopoe bird standing on grass image, public domain animal CC0 photo. https://www.rawpixel.com/image/5918216/image-background-public-domain-greenFree Image from public domain licenseBird swimming in lake, nature photography. Free public domain CC0 image. https://www.rawpixel.com/image/6028057/photo-image-public-domain-nature-birdFree Image from public domain licenseRainbow Lorikeet bird, animal photography. Free public domain CC0 image. https://www.rawpixel.com/image/6019656/photo-image-public-domain-blue-natureFree Image from public domain license