How did the prince in The Princess Bride book decede which animal to hunt in the zoo?

In "The Princess Bride," Prince Humperdinck decides which animal to hunt in the zoo based on his desire for a thrilling challenge. He chooses the most dangerous animal available, a R.O.U.S. (Rodent of Unusual Size), to demonstrate his prowess and to impress others with his hunting skills. His decision reflects both his character's arrogance and his need for validation in his royal status.