This document discusses the locations and key wildlife of several national parks and sanctuaries in India. It mentions that the Sunderbans delta in West Bengal is densely forested and home to Royal Bengal Tigers. It also notes that Nainital in Uttarakhand is home to over 586 species of birds as well as tigers. The Keoladeo Ghana National Park in Rajasthan hosts thousands of birds, especially in winter. Bandipur Tiger Reserve in Karnataka supports endangered species like elephants, bears, and tigers. Ranthambore National Park in Rajasthan is known for its large tiger population.