| 1 | Disney's Animal Kingdom | 🇺🇸 United States | In captivity |
| 2 | SeaWorld San Diego | 🇺🇸 United States | In captivity |
| 3 | Pairi Daiza | 🇧🇪 Belgium | In captivity |
| 4 | Denver Zoo | 🇺🇸 United States | In captivity |
| 5 | Cincinnati Zoo and Botanical Garden | 🇺🇸 United States | In captivity |
| 6 | Lisbon Oceanarium | 🇵🇹 Portugal | In captivity |
| 7 | Australia Zoo | 🇦🇺 Australia | In captivity |
| 8 | Greensboro Science Center | 🇺🇸 United States | In captivity |
| 9 | Beijing Wildlife Park | 🇨🇳 China | In captivity |
| 10 | Taipei Zoo | 🇹🇼 Taiwan | In captivity |
| 11 | Living Desert Zoo and Gardens | 🇺🇸 United States | In captivity |
| 12 | Nashville Zoo at Grassmere | 🇺🇸 United States | In captivity |
| 13 | Milwaukee County Zoo | 🇺🇸 United States | In captivity |
| 14 | Parque y Zoológico Nacional Arquitecto Manuel Valverde Podestá | 🇩🇴 Dominican Republic | In captivity |
| 15 | Cotswold Wildlife Park | 🇬🇧 United Kingdom | In captivity |
| 16 | Phoenix Zoo | 🇺🇸 United States | In captivity |
| 17 | Cape May County Park & Zoo | 🇺🇸 United States | In captivity |
| 18 | Wildlife World Zoo | 🇺🇸 United States | In captivity |
| 19 | Out of Africa Wildlife Park | 🇺🇸 United States | In captivity |
| 20 | Zoo La Barben | 🇫🇷 France | In captivity |
| 21 | Oasis Park | 🇪🇸 Spain | In captivity |
| 22 | Colchester Zoo | 🇬🇧 United Kingdom | In captivity |
| 23 | Louisiana Purchase Gardens and Zoo | 🇺🇸 United States | In captivity |
| 24 | Gatorland | 🇺🇸 United States | In captivity |
| 25 | Indianapolis Zoo | 🇺🇸 United States | In captivity |
| 26 | Lisbon Zoo | 🇵🇹 Portugal | In captivity |
| 27 | Taronga Zoo | 🇦🇺 Australia | In captivity |
| 28 | Wildpark Mölln | 🇩🇪 Germany | In captivity |
| 29 | Parken Zoo | 🇸🇪 Sweden | In captivity |
| 30 | Melbourne Zoo | 🇦🇺 Australia | In captivity |
| 31 | Mesker Park Zoo and Botanic Garden | 🇺🇸 United States | In captivity |
| 32 | Schönbrunn Zoo | 🇦🇹 Austria | In captivity |
| 33 | Jersey Zoo | 🇯🇪 Jersey | In captivity |
| 34 | Point Defiance Zoo & Aquarium | 🇺🇸 United States | In captivity |
| 35 | Rosamond Gifford Zoo | 🇺🇸 United States | In captivity |
| 36 | bioparco | 🇮🇹 Italy | In captivity |
| 37 | Tiergarten Straubing | 🇩🇪 Germany | In captivity |
| 38 | NaturZoo Rheine | 🇩🇪 Germany | In captivity |
| 39 | Plaswijckpark | 🇳🇱 Netherlands | In captivity |
| 40 | Hartley’s Crocodile Adventures | 🇦🇺 Australia | In captivity |
| 41 | Biotropica | 🇫🇷 France | In captivity |
| 42 | La Ferme aux crocodiles | 🇫🇷 France | In captivity |
| 43 | Manatí Park - Cerrado | 🇩🇴 Dominican Republic | In captivity |
| 44 | Reserva Zoológica Oasys MiniHollywood | 🇪🇸 Spain | In captivity |
| 45 | Le Cornelle | 🇮🇹 Italy | In captivity |
| 46 | Alabama Gulf Coast Zoo | 🇺🇸 United States | In captivity |
| 47 | Loro Parque | 🇪🇸 Spain | In captivity |
| 48 | Adelaide Zoo | 🇦🇺 Australia | In captivity |
| 49 | Henry Vilas Zoo | 🇺🇸 United States | In captivity |
| 50 | Alligator Adventure | 🇺🇸 United States | In captivity |
Rhinoceros Iguana 