I was up there in the start of january. Nice reptile cave walkthrough including scrubbies, a rough scaled, olive, other pythons lizards and a few exotics etc including poison arrow frogs. Heaps of crocs and aligators.
I enjoyed the reptile section (quite impressed, though not overly huge).
Oh and as you are in the lobby to pay entry, there is a gtp enclosure with 5 snakes (at least 2 of which look like emerald tree boas). I think Water rat had dealings with them in the past. I would give it a 6.5 out of ten (worthwhile and enjoyable). Nice reptile show as well (stage a little shabby)
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Can anyone confirm Emerald tree boas in with gtps. I should have checked lack of labial pits.
cheers.