north american zoos

Are there any zoos which have areas themed around Europe? This is tricky, since most of the fauna is very similar to or literally the same species of those of North America, but I think focusing on specific regions could work. I myself have imagined exhibits themed around the chalk downs of...

Does anyone know which zoos keep which antelope and gazelle species in North America and, if possible, their numbers?

I have just been troubled with an extremely difficult question about African birds; How many African hornbill and turaco species are in North American zoos, and which collections keep which species? I would appreciate anyone's help to help set up a near-complete list of these groups of birds. I...