A couple of the species that were held in fenced off areas within the Deer Dark. While I did not manage to get a good photo showing it, the Grant's zebra enclosure also housed a zedonk (Equus quagga boehmi x Equus africanus asinus).
@birdsandbats Fair enough. I know trumpeter swans are native to the state, but really in the St. Louis area. Also they tend be in the state during migration so its unlikely they'd be passing through in July.