Many zoos all across the country give pumpkins to most of the animals, its awesome enrichment. We used to cut them open and hide treats inside - the anteater would love to shred one open to get to an applesauce honey mix. The bison and elk would go bowling with them
Cats love smells, plus its a novel item. Our female bobcat used to go into a drooling coma for an orange, I would jam it onto a branch high up and make her climb to get it down and then she would roll around with it.