Cat lovers have no doubt seen it before: the intense focus, followed by a claws-extended, acrobatic leap, some serious hang time and a not-always-graceful landing. Watching a cat get airborne is always exhilarating, but even more so when it weighs 350 pounds. At the Oregon Zoo, a new enrichment game is helping to keep the African lions fit while bringing out their explosive predatory instincts. Keepers have been using a mega version of this standard pet store item â” constructed out of butcher paper and dubbed the âLeaping Lion Toyâ â” to mentally stimulate the big cats while encouraging natural hunting behaviors. Story: