@Fallax That's a great question and I don't know that answer! From what I've seen on line, the San Diego Wild Animal Park, Houston Zoo, Denver Zoo, Bronx Zoo, and now Fort Worth Zoo are the only institutions that have them on display. I'm not sure how many are at each facility, but hopefully a few other places have them off-exhibit. This would be a great stork for the Audubon Zoo / San Diego Zoo partnership to work with.