{"slug":"","question":"Which big cat species has a hyoid bone structure that prevents it from roaring but enables sustained purring?","topic":"ANATOMY","answer_a":"Snow leopard","answer_b":"Cheetah","answer_c":"Clouded leopard","answer_d":"Jaguar","correct_index":1,"fact":"Cheetahs have a fully ossified hyoid like small cats, allowing purring but not roaring. Interestingly, snow leopards — despite being in Panthera — also cannot true-roar, though for different anatomical reasons (their vocal fold structure)."}