Firstly, some things need to be cleared up. 1.There are no capivara at this park. The rodents that some people have described here in other reviews are actually agouti - NOT capivara. 2. The park i easy to find if you take a taxi. Do not bother with the bus, as it is almost impossible to get there this way. Too confusing.
The park itself is lovely, and we saw some amazing animals that we either sa in the Amazon from a distance, or missed completely. One of the manatee tanks had a lot of excrement in it though, which seemed pretty gross, so the park should get on top of that. But check out the photos of the sloth! It came down to poop (they only do this once every week) - so we were really lucky. The science centre was interesting and there are a few different trails you can follow around, seeing toucans, and caiman and turtles etc. One thing - make sure you DO NOT use the taxi company based outside the park. They tried to rip us off. Ask the park to call you a taxi before you leave.
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