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Photo credits

Thank you to the photographers whose work appears on this site. Public-domain and CC0 images need no credit, but we give it anyway. The rest are used under Creative Commons licenses. Images are resized and cropped, and the homepage photo is lightly color-adjusted.

Illustrations

Animal silhouettes in the comparison tool are from game-icons.net: octopus, cat, raven and dove by Lorc; sitting dog and person by Delapouite. Used under CC BY 3.0, recolored.