Milwaukee County Zoo:
African elephant, black rhino, spotted hyena, cheetah, jaguar, greater kudu, grizzly bear, elk, cotton-top tamarin, Fennec fox, and orangutan.
Brookfield Zoo:
Wombat, cassowary, aardvark, African wild dog, okapi, polar bear, grizzly bear, giant anteater, Western lowland gorilla, black rhino, and bottlenose dolphin.
National Zoo:
Giant panda, Asian small-clawed otter, and Komodo dragon.
San Diego Zoo:
Indian rhino, Masai giraffe, Cape clawless otter, Giant panda, maned wolf, gerenuk, Nile and pygmy hippos, Malayan tiger, polar bear, and okapi.
San Diego Zoo Safari Park:
Okapi, African elephant, Indian rhino, Northern white rhino, lion, tamandua (behind-the-scenes tour), Sumatran tiger, Western lowland gorilla, Cape buffalo, and Somali wild ass.
Knoxville Zoo:
American black bear, red panda, white rhino, Komodo dragon, prairie dog, Geoffrey's marmoset, giraffe, lion, African wild dog, white-cheeked gibbon, and chimpanzee.