Yeah, I also don't get it. The only possibility I'm thinking would be that one of them was sent to Beto Carrero just to wait while her exhibit is renovated in Rio. It happened with the zoo's chimps, so I hope it's actually the case.
Let's create a thread for the Rio de Janeiro zoo itself. On this new thread, we can discuss about the animals kept there, including the ones which are not kept anymore, like hook-lipped rhinos and some other stuff like that.
Really nice drone footage of how the big renovation of the zoo is going. First two minutes shows better:
