For more than a century, Yala National Park in Sri Lanka has been one of Asiaβs most celebrated wildlife preserves, a lush windswept tropical forest rich in rare aquatic birds and abundant with ferocious predators, such as crocodiles and sloth bears. But only in very recent years has Yalaβs big cat distinction been brought to light: It contains one of the worldβs largest concentrations of leopards. NATURE takes viewers deep into the jungle habitat of these elusive animals, in Leopards of Yala.