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.
I think the worst and most insidious procrastination for me is research. I will be looking for some bit of fact or figure to include in the novel, and before I know, I've wasted an entire morning delving into that subject matter without a word written.