I've been lucky, most of the Zoo enclosures I have seen have been pretty good, at least given the situation in other parts of the world. That said I have seen some animal exhibits where I think the way it was constructed was a really bad idea. I know that my fellow ZooChatters have traveled all over the world, can anyone tell me about the most memorably bad enclosure they have ever seen? Also, what constitutes a good habitat for that species? I'll go first. Frankly if this is the worst thing I have ever seen in terms of animal housing I am lucky. I saw a canary in a cage that appeared to be made of some kind of wood. All I could think was "it's a good thing that this is an canary and not a member of the parrot family because a parrot will instinctively want to chew and inevitably the first thing it will chew through is the cage." and also "How do you keep something like that clean? What it you need to sterilize it ? (I have had to sterilize the cages of my own birds several times.) Full disclosure: this was at a library, not a zoo, however it is a public animal exhibit so I'm counting it. I've seen some pretty depressing farm fields, but we are sticking to zoo's here.