In addition to the existing rainforest jungle, aquarium, desert dome, and gorilla valley, Henry Doorly Zoo is building an African grasslands exhibit.
http://www.ketv.com/news/largest-projec ... d/25659254
(On a related note, our ballet company is premiering a new work next week, called "Party Animals", in which African animals dance to music from the 1960s. They did a public meet-n-greet a couple weeks ago at the zoo.)