INTERVIEW: Nat Geo Wild shares more ‘Secrets of the Zoo’
Photo: Vet staff work on Oliver the gorilla at the Columbus Zoo and Aquarium. Photo courtesy of National Geographic /
Read MorePhoto: Vet staff work on Oliver the gorilla at the Columbus Zoo and Aquarium. Photo courtesy of National Geographic /
Read MorePhoto: The Columbus Zoo and Aquarium is one of the largest facilities in the United States. Photo courtesy of National
Read More