Big cats roar. Little cats purr. Little cats can't roar because the bones are very tightly connected in their throats and can't vibrate very much letting the cats only make a small sound.
Big cats have cords in their voice boxes that vibrate more, making bigger sounds.
Mark the words that describe the animal. Unscramble these words to find which cats call John Ball Zoo home. African Lion -big, solid color. Siberian Tiger -big, stripes. Mountain Lion -little, solid color.