The Thrigby Swamp House holds 2 x Estuarine Crocs, 2 x Mugger Crocs and a group of American Alligator + there were a large number of Spectacled Caiman on this visit (destined for the new Cromer Zoo). Also some birds in aviaries on top level (Sulawesi Ground Pigeon, Greenpie, etc, etc). Alligators have outdoor access in the summer.