1. NHD28/29 Reference (shelfmark): NHD28/29 Title: Black Bittern Scope & Content: Black Bittern ‘Dupetor flavicollis’ Original inscriptions: ‘Ardea flavicollis. I. O. 701. Yellow-necked Heron Sup. 239’ Further inscriptions: Artist: Medium: Watercolour Size: Note: Collection Area: Visual Arts Languages: Not applicable Date Range: 1798-1805 Extent: 1 Item