This image was acquired from
wikimedia. It was marked as Public Domain or CC0 and is free to use. To verify, go to the source and check the information there.
Keywords from Image Description:
Lion anatomy head. Animal anatomical engraving from Handbuch der Anatomie der Tiere fr Knstler' Hermann Dittrich illustrator University of Wisconsin Digital Collections library wisc edu shtml and Wilhelm Ellenberger and Hermann Baum PDArt Panthera leo head Lion skulls Handbuch der Anatomie der Tiere fr Knstler Lion heads in art