1. Singapore Zoo, Singapore
2. San Diego Zoo, San Diego, USA
3. Taronga Zoo, Sydney, Australia
4. Tiergarten Schönbrunn, Vienna, Austria
5. Lisbon Zoo, Lisbon, Portugal
6. Berlin Zoological Garden, Berlin, Germany
7. Henry Doorly Zoo and Aquarium, Omaha, USA
8. Chester Zoo, Chester, UK
9. Tokyo Zoological Park, Tokyo, Japan
10. Artis Royal Zoo, Amsterdam, Netherlands
