There's something to be said for a likable character, but fiction has a way of upending our ordinary standards.

Zuck is unemotional. He doesn't get influenced by ego.

Zoos should concentrate more on the preservation side of things.

Zoos are becoming facsimiles - or perhaps caricatures - of how animals once were in their natural habitat. If the right policies toward nature were pursued, we would need no zoos at all.

Zoologists may find jobs working for government agencies, non-profit organizations, universities, museums and zoos.