The Smithsonian's National Zoo is comprised of thirteen major exhibits —Amazonia, American Bison, Asia Trail, American Trail, Cheetah Conservation Station, Elephant Trails, Experience Migration, Great Cats, Kids' Farm, Primates, Reptile Discovery Center, and Small Mammal House. Western lowland gorillas reside in the Great Ape House, a male sitatunga in the Cheetah Conservation Station, an elephant in Elephant Trails, two alpacas on the Kids' Farm, Przewalski's horses at the Smithsonian Conservation Biology Institute, and six African lions at Great Cats.