PERMITTED USE: This image may be downloaded or is otherwise provided at no charge for one-time use for coverage or promotion of National Geographic Photo Ark. Copying, distribution, archiving, sublicensing, sale, or resale of the image is prohibited.REQUIRED CREDIT AND CAPTION: Any and all image uses must (1) bear the copyright notice, (2) be properly credited to the Joel Sartore/National Geographic Photo Ark (3) be accompanied by a caption which makes reference to National Geographic Photo Ark. (4) include a prominent link to http://nationalgeographic.org/projects/photo-ark/  DEFAULT: Failure to comply with the prohibitions and requirements set forth above will obligate the individual or entity receiving this image to pay a fee determined by National Geographic.© Photo by GRAHM S. JONES, COLUMBUS ZOO AND AQUARIUMAfter a photo shoot at the Columbus Zoo in Ohio, a clouded leopard cub climbs on Sartore’s head. The leopards, which live in Asian tropical forests, are illegally hunted for their spotted pelts.