Affiliation: | 1. Cleveland Metroparks Zoo, , Cleveland, Ohio;2. Case Western Reserve University, , Cleveland, Ohio;3. North Carolina Zoological Garden, , Asheboro, North Carolina;4. Tampa's Lowry Park Zoo, , Tampa, Florida;5. Ohio State University, , Columbus, Ohio;6. Disney's Animal Kingdom, , Lake Buena Vista, Florida;7. Kent State University, , Kent, Ohio;8. Toronto Zoo, , Scarborough, Ontario, Canada |