Oh, go on then...
1. Zurich Zoo
2. Prague Zoo
3. Diergaarde Blijdorp
4. Berlin Zoo
5. Tiergarten Schönbrunn
6. Leipzig Zoo
7. Chester Zoo
8. Tierpark Berlin
9. Tiergarten Nuremberg
10. Plzen Zoo
My own feeling is that Prague and Rotterdam pull off "consistent, comprehensive, but never truly outstanding*" better than Chester. That said, I love the place and it's always refreshing to hear an outside perspective. So thank you @CGSwans; this thread has been a joy to read.
*In my opinion![]()
That's quite a surprising level of agreement, insofar as I have all of those in the top 15. Have you been to any of Burgers, Munich, Frankfurt, Cologne and Beauval? And if so, would any get into your 11-15 category?